Solenopsis invicta
Solenopsis invicta | |
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Scientific classification | |
Kingdom: | Animalia |
Phylum: | Arthropoda |
Class: | Insecta |
Order: | Hymenoptera |
Family: | Formicidae |
Subfamily: | Myrmicinae |
Tribe: | Solenopsidini |
Genus: | Solenopsis |
Species group: | saevissima |
Species: | S. invicta |
Binomial name | |
Solenopsis invicta Buren, 1972 | |
Synonyms | |
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Common Name | |
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Red Imported Fire Ant | |
Language: | English |
The Red Imported Fire Ant (Solenopsis invicta) is a native of tropical and subtropical South America that has achieved international notoriety by becoming an enormously successful invasive ant throughout much of the southern United States, being one of the 100 worst invasive species in the world (IUCN/SSC Invasive Species Specialist Group). It is now spreading rapidly in parts of the Caribbean, and new infestations have been detected and exterminated in Arizona, California, Australia, New Zealand, and southern China. The probability of new invasions is therefore quite high and S. invicta must be considered a potential threat worldwide in all areas where climates are suitable.
Invasive populations of Solenopsis invicta are by no means easy to ignore. They have been linked to a multitude of destructive effects, including stinging humans, agricultural and horticultural damages, and substantial negative impacts on native faunas and floras. This has resulted in social and political pressure on governments to "solve" the fire ant problem. Government involvement in fire ant research developed first in the United States, which has an 80 year history of Imported Fire Ant infestation, but other governments have more recently begun research and control efforts of their own.
In the US, federal and state governments have responded primarily by funding research and by developing detection and infestation prevention programs. There have also been expensive and ecologically disasterous attempts to exterminate entire Imported Fire Ant populations. On the brighter side, over the course of fifty years, federal and state funding agencies have underwritten a plethora of research programs that have examined in detail the behavior, ecology, life-history, genetics, and potential controls for Solenopsis invicta. As a result, S. invicta has become in some sense the Drosophila melanogaster of the ant world. We probably know more about its biology than is known for any other species of ant. Despite this, our ability to control large-scale infestations remains limited.
At a Glance | • Highly invasive • Supercolonies • Facultatively polygynous • Diploid male |
Photo Gallery
Identification
Pitts et. al. (2018) - A member of the Solenopsis saevissima species-group. As noted with the workers (Trager 1991; J. Pitts and K. R. Ross, pers. obs.), the gynes are highly variable in color. The darker variants of gynes are found in southeastern Brazil to Uruguay and Argentina and are associated with the darker workers. A lighter variant occurs in the northern area of the species’ range. The gynes and workers of these colonies are also similar in coloration. A third variant, a light orange form, is found in the Pantanal region of Brazil. This form has larger workers and gynes. No morphological differences could be found between these forms, other than size and coloration.
The darker colored gynes of S. invicta look most similar to Solenopsis megergates and Solenopsis quinquecuspis. However, the CI and OI of S. invicta gynes are normally smaller than those of S. megergates and the OI of S. invicta is normally smaller than that of S. quinquecuspis. The lighter gynes of S. invicta look similar to Solenopsis richteri and Solenopsis interrupta. The gynes of S. interrupta normally are lighter in coloration than S. invicta, have larger cephalic foveolae, and sometimes have distinct striations between the foveolae. The OOI of S. invicta gynes is normally greater than that of S. richteri, and the postpetiole of S. invicta gynes has straight sides, unlike the concave sides of S. richteri. In many cases, the sculpture of the mandible and postpetiole can help separate S. invicta gynes from similar species. The gynes of S. invicta normally have the most densely sculptured postpetiole compared to the other species.
The male of S. invicta is dark in coloration and is similar to most of the other darker species. The pubescence of the S. invicta male is longer and denser than that of Solenopsis saevissima. Sometimes the head of the S. invicta male is shagreened as in S. interrupta. The gena of the male is much more sculptured than in other species. In moderate to extreme forms, this feature is easily recognized and it may be autapomorphic for S. invicta.
Buren (1972) - Similar to Solenopsis richteri. The best and easiest method of distinguishing invicta from richteri is by the morphological characters given in the descriptions, particularly those concerning the shapes of the head, thorax, and postpetiole. Reiterated, in richteri the sides of the head are usually broadly elliptical in shape and lack the weakly cordate shape seen in invicta; the peaks of the occipital lobes nearer the midline and the occipital excision more creaselike in richteri than in invicta; scapes longer in richteri than in invicta in relation to their ability to reach toward the occipital peaks; pronotum with strong and rather angulate shoulders in richteri, this character nearly absent in invicta; a shallow but distinctly sunken area on posterior median dorsum of the pronotum of large workers in richteri, absent in large workers of invicta; the promesonotum strongly convex in profile in invicta, more weakly so in richteri; in profile the base of propodeum elongate and straight in richteri, convex and shorter in proportion to the declivity in invicta; the postpetiole wide and with straight or diverging sides posteriorly in invicta, narrower and usually with converging sides in richteri; transverse impression on posterodorsal face of postpetiole usually apparent and strong in richteri, usually weak or absent in invicta.
Keys including this Species
Distribution
Solenopsis invicta is a native of South America, centered on the Pantanal region found at the headwaters of the Paraguay River. This area is comprised of seasonally flooded savannas and wetlands. Solenopsis invicta first became noticed as pest species after its introduction in Mobile, Alabama in the 1930's. This introduction was thought to have its origins from a cargo ship from somewhere in NE Argentina. It is also possible there were numerous introductions. The fire ant is now found throughout the SE United States and California. It has subsequently been introduced and spread to other parts of the world as well (as detailed below).
Pitts et. al. (2018) - The range of Solenopsis invicta in South America currently extends from as far north as Porto Velho, Rondonia State, Brazil and eastward from Peru and Bolivia to Cuiaba, Mato Grosso State, Brazil, southward to Santiago del Estero Province of Argentina, through Uruguay to Sao Paulo State, Brazil. Its range in North America includes the Gulf States west to Texas. It is found sporadically in New Mexico and Arizona and apparently is well established in California. It recently has been introduced to Australia, Taiwan, China, and Japan (Henshaw et al. 2005; Ascunce et al. 2011). A comprehensive assessment of genetic variation for colonies sampled from 75 geographic sites worldwide revealed that at least nine separate introductions of S. invicta occurred into newly invaded areas and that the main southern U.S. population is probably the source of these secondary introductions (Ascunce et al. 2011).
Latitudinal Distribution Pattern
Latitudinal Range: -2.58029° to -39.8°.
North Temperate |
North Subtropical |
Tropical | South Subtropical |
South Temperate |
- Source: AntMaps
Distribution based on Regional Taxon Lists
Australasian Region: Australia.
Indo-Australian Region: Hawaii.
Nearctic Region: United States (type locality).
Neotropical Region: Anguilla, Antigua and Barbuda, Argentina, Aruba, Brazil (type locality), British Virgin Islands, Cayman Islands, Greater Antilles, Mexico, Montserrat, Netherlands Antilles, Paraguay, Puerto Rico, Saint Martin (French part), Trinidad and Tobago, Turks and Caicos Islands, United States Virgin Islands.
Palaearctic Region: China.
Distribution based on AntMaps
Distribution based on AntWeb specimens
Check data from AntWeb
Countries Occupied
Number of countries occupied by this species based on AntWiki Regional Taxon Lists. In general, fewer countries occupied indicates a narrower range, while more countries indicates a more widespread species. |
Estimated Abundance
Relative abundance based on number of AntMaps records per species (this species within the purple bar). Fewer records (to the left) indicates a less abundant/encountered species while more records (to the right) indicates more abundant/encountered species. |
Biology
There is an Antwiki webpage with a list of some recent publications about the imported fire ant.
Roeder et al. (2018) in an Oklahoma study found the CTmax (critical thermal maximum) for this species was 49.0 ± 0.4 C. They also found the imported fire ant was able to forage for 18 hours per summer day and occupied baits at a higher total biomass than 4 co-occurring native species.
Buren (1972) - The sting venon constituents of invicta (MacConnell et af. 1971) appear to consist largely of the following alkylated piperidines; trans-2-methyl-6-nundecylpiperidine, trans-2-methyl-6-n-tridecylpiperidine, trans-2-methyl-6-(cis-4-tridecenyl) piperidine, trans-2-methyl-6-n-pentadecylpiperidine, and trans-2- methyl-6- (cil'-6-pentadecenyl) piperidine, of which the last four predominate. These constituents are different from those of richteri, in which the first 3 listed compounds predominate, and the last two are essentially lacking. (Unpublished data of Dr. John Brand and Dr. Murray Blum, Department of Entomology, University of Georgia).
This species is a host for the ant Solenopsis daguerrei (a inquiline).
Genetics
Solenopsis invicta has had their entire genome sequenced.
Palomeque et al. (2015) found class II mariner elements, a form of transposable elements, in the genome of this ant.
Florida
Deyrup, Davis & Cover (2000): Solenopsis invicta, although a major ecological and economic problem through out Florida, does not seem to live up to its potential as a pest, especially compared to the situation in Texas. Heavy outbreaks of S. invicta in Florida seem to require constant maintenance by humans in the form of perennial habitat disturbance and, on upland sites, frequent irrigation. The sand soils characteristic of most of Florida maybe suboptimal for S. invicta because sand drains quickly and is also permeable to a great variety of burrowing animals, some of which might be enemies of ants. Tschinkel has suggested (1988) that subterranean Solenopsis of the subgenus Diplorhoptrum might reduce populations of S. invicta in sandy uplands. Since S. invicta originates in habitats where the soil is periodically saturated, forcing the fire ants themselves to build elevated nests, it seems logical that this ant would better adapted to defend itself against enemies from above rather than enemies from below.
Flight Period
X | X | X | X | ||||||||
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
Source: antkeeping.info.
- Check details at Worldwide Ant Nuptial Flights Data, AntNupTracker and AntKeeping.
- Explore: Show all Flight Month data or Search these data. See also a list of all data tables or learn how data is managed.
Association with Other Organisms
- Explore: Show all Associate data or Search these data. See also a list of all data tables or learn how data is managed.
Coleoptera
- Myrmecosaurus ferrugineus (Staphylinidae: Paederinae) is known from nests in Mississippi, USA (MacGown, 2006).
Diptera
The following phorid flies have been reported with this species by Sanchez-Restrepo et al. (2020):
- Pseudacteon cultellatus (Argentina, Brazil)
- Pseudacteon curvatus (Argentina, Brazil)
- Pseudacteon litoralis (Argentina, Brazil, Paraguay)
- Pseudacteon nocens (Argentina, Brazil)
- Pseudacteon nudicornis (Argentina)
- Pseudacteon obtusitus (Argentina, Uruguay)
- Pseudacteon obtusus (Argentina)
- Pseudacteon pradei (Brazil)
- Pseudacteon solenopsidis (Argentina)
- Pseudacteon tricuspis (Argentina, Brazil)
- Pseudacteon wasmanni (Brazil)
- This species is a host for the phorid fly Apodicrania termitophila (a parasitoid) (Quevillon, 2018) (encounter mode primary; direct transmission; transmission outside nest).
Hemiptera
- This species is a mutualist for the aphid Myzus persicae (a trophobiont) (Zhou, 2012; Zhou, 2014; Saddiqui et al., 2019).
Hymenoptera
- This species is a host for the eucharitid wasp Orasema sp. (a parasite) (Universal Chalcidoidea Database) (associate, primary host).
- This species is a host for the eucharitid wasp Orasema salebrosa (a parasite) (Heraty et al., 1993; Varone et al., 2010; Baker et al., 2019; Universal Chalcidoidea Database) (primary host).
- This species is a host for the eucharitid wasp Orasema simplex (a parasite) (Heraty et al., 1993; Varone et al., 2010; Baker et al., 2019; Universal Chalcidoidea Database) (primary host).
- This species is a host for the eucharitid wasp Orasema xanthopus (a parasite) (Silveira-Guido et al., 1964; Heraty et al., 1993; Varone et al., 2010; Baker et al., 2019; Universal Chalcidoidea Database) (primary host).
Strepsiptera
- This species is a host for the strepsipteran Caenocholax fenyesi (a parasite) in United States (Texas) (Kathirithamby & Johnston, 1992; Cook, 2019).
- This species is a host for the strepsipteran Pseudacteon onyx (a parasite) (Quevillon, 2018) (encounter mode primary; direct transmission; transmission outside nest).
Gregarine
- This species is a host for the gregarine Mattesia species (a parasite) in United States (Florida) (Pereira et al., 2002).
Fungi
- This species is a host for the fungus Myrmicinosporidium durum (a pathogen) in United States (Pereira, 2004; Espadaler & Santamaria, 2012).
- This species is a host for the microsporidian fungus Kneallhazia solenopsae (a pathogen) (Ascunce et al. 2010).
- This species is a host for the microsporidian fungus Vairimorpha invictae (a pathogen) (Jouvenaz & Ellis, 1986; Sokolova & Fuxa, 2008).
- This species is a host for the microsporidian fungus Thelohania solenopsae (a pathogen) (Knell et al. 1977; Sokolova & Fuxa, 2008).
- This species is a associate (details unknown) for the fungus Aspergillus flavipes (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the fungus Aspergillus nomius (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the fungus Aspergillus tubingensis (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the fungus Cochiobolus kusanoi (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the fungus Curvularia sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the fungus Fusarium equiseti (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the fungus Fusarium oxysporum (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the fungus Hypocrea lixii (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the fungus Neosartorya fischeri (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the fungus Penicillium spinulosum (a associate (details unknown)) (Quevillon, 2018).
- This species is a host for the fungus Aspergillus flavus (a parasitoid) (Quevillon, 2018) (encounter mode primary; direct transmission; transmission within nest).
- This species is a host for the fungus Beauveria bassiana (a parasitoid) (Quevillon, 2018) (encounter mode primary; direct transmission; transmission within nest).
- This species is a host for the fungus Conidiobolus macrosporus (a parasitoid) (Quevillon, 2018) (encounter mode primary; direct transmission; transmission within nest).
- This species is a host for the fungus Metarhizium anisopliae (a parasitoid) (Quevillon, 2018) (encounter mode primary; direct transmission; transmission within nest).
- This species is a host for the fungus Metarhizium anisopliae (a parasitoid) (Quevillon, 2018) (encounter mode primary; direct transmission; transmission within nest).
Nematodes
- This species is a host for the nematode Allomermis solenopsi (a parasite) in Argentina (Poinar et al., 2007; Laciny, 2021).
- This species is a host for the nematode Steinernema carpocapsae (a parasite) (Poinar, 2012).
- This species is a host for the nematode Tetradonema solenopsis (a parasite) in Brazil (Nickle & Jouvenaz, 1987).
- This species is a host for the nematode Diploscapter sp. (a parasite) (Quevillon, 2018) (multiple encounter modes; indirect transmission; transmission outside nest).
- This species is a host for the nematode Heterorhabditis bacteriophora (a parasitoid) (Quevillon, 2018) (multiple encounter modes; indirect transmission; transmission outside nest).
- This species is a host for the nematode Mesorhabditis longespiculosa (a parasite) (Quevillon, 2018) (multiple encounter modes; indirect transmission; transmission outside nest).
- This species is a host for the nematode Oscheius dolichura (a parasite) (Quevillon, 2018) (multiple encounter modes; indirect transmission; transmission outside nest).
- This species is a host for the nematode Sclerorhabditis sp. (a parasite) (Quevillon, 2018) (multiple encounter modes; indirect transmission; transmission outside nest).
- This species is a host for the nematode Steinerema carpocapsae (a parasitoid) (Quevillon, 2018) (multiple encounter modes; indirect transmission; transmission outside nest).
- This species is a host for the nematode Mermithidae (unspec.) (a parasite) in USA, Florida (McInnes & Tschinkel, 1996; Laciny, 2021).
Bacteria
- This species is a associate (details unknown) for the bacterium Achromobacter xylosoxidans 1 (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Achromobacter xylosoxidans 2 (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Acidobacterium sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Acinetobacter guillouiae (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Acinetobacter sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Actinomycetospora sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Aeromicrobium sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Agromyces sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Alcaligenes faecalis (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Anaeroplasma sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Arthrobacter sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Bacillus cereus 2 (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Bacillus cereus 3 (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Bacillus pseudomycoides (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Bacillus sp. 2 (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Bacillus sp. 5 (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Bacillus sp. 6 (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Bacillus sp. 7 (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Bacillus sp. 8 (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Bacillus sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Bacillus thuringiensis (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Bacteroides sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Bradyrhizobium sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Brevibacillus laterosporus (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Brevibacterium frigoritolerans (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Brevundimonas diminuta (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Brevundimonas sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Caldilinea sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Clostridium sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Comamonas sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Conexibacter sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Curtobacterium sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Cystobacter sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Enterobacter amnigenus (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Enterobacter sp. 1 (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Enterococcus sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Erwinia sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Folliculinopsis sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Gemmatimonas sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Geobacillus sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Geopsychrobacter sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Geothermobacter sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Herbaspirillum sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Janthinobacterium sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Jeotgalicoccus halotolerans (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Klebsiella oxytoca (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Lactobacillus sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Lactococcus sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Loktanella sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Lysinibacillus fusiformis 1 (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Marmoricola sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Methylocystis sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Mycobacterium sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Nocardioides sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Paenibacillus lautus (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Paenibacillus macerans (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Paenibacillus sp. 1 (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Paenibacillus sp. 2 (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Paenibacillus sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Paenibacillus sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Pandoraea sp. 1 (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Pandoraea sp. 2 (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Pandoraea sp. 3 (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Pantoea sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Patulibacter sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Propionibacterium sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Pseudomonas protegens (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Pseudomonas putida (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Pseudomonas sp. 1 (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Pseudomonas sp. 2 (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Pseudomonas sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Pseudonocardia sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Rahnella sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Schlegelella sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Serratia liquefaciens (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Serratia marcescens 2 (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Serratia marcescens 3 (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Serratia sp. 1 (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Serratia sp. 2 (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Serratia sp. 3 (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Serratia sp. 4 (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Solirubrobacter sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Sphingomonas sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Staphylococcus epidermidis (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Staphylococcus sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Stenotrophomonas maltophilia (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Stenotrophomonas sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Streptococcus sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Streptomyces sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Sulfurimonas sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Thalassobacter sp. (a associate (details unknown)) (Quevillon, 2018).
- This species is a associate (details unknown) for the bacterium Zoogloea sp. (a associate (details unknown)) (Quevillon, 2018).
Virus
- This species is a host for the virus Aparavirus: Solenopsis invicta virus-1 (a parasite) (Quevillon, 2018) (encounter mode primary; direct transmission; transmission within nest).
- This species is a host for the virus Hymenopteran ambidensovirus 1 (a parasite) (Quevillon, 2018) (encounter mode primary; direct transmission; transmission within nest).
- This species is a host for the virus Invictavirus: Solenopsis invicta virus-3 (a parasite) (Quevillon, 2018) (encounter mode primary; direct transmission; transmission within nest).
- This species is a host for the virus Solenopsis invicta virus-2 (a parasite) (Quevillon, 2018) (encounter mode primary; direct transmission; transmission within nest).
- This species is a host for the virus Solenopsis invicta virus-2 (a parasite) (Quevillon, 2018) (as Solenopsis invicta x richteri; encounter mode primary; direct transmission; transmission within nest).
Life History Traits
- Queen number: monogynous (Rissing and Pollock, 1988; Frumhoff & Ward, 1992) (locally polygynous)
- Queen mating frequency: single (Rissing and Pollock, 1988; Frumhoff & Ward, 1992)
- Colony type: supercolony
- Foraging behaviour: mass recruiter (Wilson, 1962; Tschinkel, 1987; Beckers et al., 1989)
Castes
Worker
Images from AntWeb
Worker. Specimen code casent0104523. Photographer April Nobile, uploaded by California Academy of Sciences. | Owned by ABS, Lake Placid, FL, USA. |
Worker. Specimen code casent0178134. Photographer April Nobile, uploaded by California Academy of Sciences. | Owned by ALWC, Alex L. Wild Collection. |
Worker. Specimen code casent0178135. Photographer April Nobile, uploaded by California Academy of Sciences. | Owned by ALWC, Alex L. Wild Collection. |
Solenopsis X-ray micro-CT scan 3D model of Solenopsis invicta (minor worker) prepared by the Economo lab at OIST.
Minor worker. See on Sketchfab. See list of 3D images.
Solenopsis X-ray micro-CT scan 3D model of Solenopsis invicta (major worker) prepared by the Economo lab at OIST.
Major worker. See on Sketchfab. See list of 3D images.
Queen
Images from AntWeb
Queen (alate/dealate). Specimen code casent0104504. Photographer April Nobile, uploaded by California Academy of Sciences. | Owned by ABS, Lake Placid, FL, USA. |
Male
Images from AntWeb
Male (alate). Specimen code casent0104503. Photographer April Nobile, uploaded by California Academy of Sciences. | Owned by ABS, Lake Placid, FL, USA. |
Diploid males are known to occur in this species (found in 13.1% of nests within native populations, 83.3% of 150 examined nests in introduced populations) (Ross et al., 1993; Krieger et al., 1999; Cournault & Aron, 2009).
Nomenclature
The following information is derived from Barry Bolton's Online Catalogue of the Ants of the World.
- invicta. Solenopsis invica Buren, 1972: 9, fig. 2 (w.q.m.) BRAZIL (Mato Grosso), U.S.A. (Alabama).
- [Note: the misspelling invica occurs in the title of the species, but the name is spelled correctly, invicta, on previous pages 1-8, as well as on subsequent pages and in figure captions.]
- Type-material: holotype worker, paratype workers (number not stated).
- Type-locality: Brazil: Mato Grosso, Cuiaba, 16.ii.1971 (W. Whitcomb & R. Williams); paratypes: workers “numerous” with same data, workers “several additional colonies”, ii.1971 (W. Whitcomb & R. Williams), 10 workers Mato Grosso, Chapada (no collector’s name), workers (number not stated) U.S.A.: Alabama, Daphne (W.F. Buren), Alabama, nr Mobile (W.F. Buren).
- Type-depositories: USNM (holotype); FSCG, MCZC, UGAA, USNM (paratypes).
- Wheeler, G.C. & Wheeler, J. 1977a: 588 (l.).
- Junior synonym of wagneri: Bolton, 1995b: 388.
- [Note: Trager, 1991: 173, cited wagneri as an unavailable (infrasubspecific) name, but the name was available and had priority over invicta (see under wagneri). S. invicta was later conserved over wagneri because of usage, in accord with ICZN (1999): Shattuck, Porter & Wojcik, 1999: 27.]
- Status as species: Rhoades, 1977: 1; Smith, D.R. 1979: 1386; Deyrup, et al. 1989: 96; Brandão, 1991: 378; Trager, 1991: 173 (redescription); Deyrup, et al. 2000: 298; Mackay & Mackay, 2002: 229; Deyrup, 2003: 47; MacGown & Forster, 2005: 70; Ward, 2005: 36; Wild, 2007b: 36; Don, 2007: 198; Terayama, 2009: 157; Guénard & Dunn, 2012: 53; Wetterer, 2013c: 50; Bezděčková, et al. 2015: 122; Deyrup, 2017: 105; Pitts, et al. 2018: 343 (redescription).
- Distribution: Anguilla, Antigua, Argentina, Aruba, Bahamas, Barbuda, Bolivia, Brazil, Cayman Is, Jamaica, Paraguay, Peru, Puerto Rico, St Kitts, St Martin, Montserrat, Nevis, Trinidad, Uruguay, U.S.A., Virgin Is
- [Note: also as introduction in Australia, China, Japan, New Zealand, Philippines, Taiwan.]
- wagneri. Solenopsis saevissima var. wagneri Santschi, 1916e: 380 (w.) ARGENTINA (Santiago del Estero).
- Type-material: syntype workers (number not stated).
- Type-locality: Argentina: Santiago del Estero, vic. Icañu (E.R. Wagner).
- Type-depository: NHMB.
- As unavailable (infrasubspecific) name: Emery, 1922e: 198; Creighton, 1930b: 94.
- Subspecies of saevissima: Santschi, 1919f: 43; Santschi, 1923c: 266.
- Junior synonym of saevissima: Wilson, 1952b: 55; Kempf, 1972a: 239.
- Status as species: Bolton, 1995b: 391.
- Senior synonym of invicta: Bolton, 1995b: 391.
- [Note: Trager, 1991: 173, cited wagneri as an unavailable (infrasubspecific) name (incorrectly citing its original notation as S. saevissima subsp. electra var. wagneri), and referred the material to invicta. But wagneri was available, with the original notation cited above, and had priority over invicta. S. invicta was later conserved over wagneri because of usage, in accord with ICZN (1999): Shattuck, Porter & Wojcik, 1999: 27.]
Type Material
- Holotype, worker, Cuiaba, Mato Grosso, Brazil, National Museum of Natural History.
- Paratype, 6 workers, 42km SE Cuiaba and Chapada (both Mato Grosso), Brazil, Museum of Comparative Zoology.
- Paratype, 6 workers, Daphne and near Mobile, Alabama, United States, Museum of Comparative Zoology.
- Paratype, workers, Cuiaba, Mato Grosso, Brazil, National Museum of Natural History.
- Paratype, workers, 42km SE Cuiaba and Chapada (both Mato Grosso), Brazil, Univ. of Florida.
- Paratype, workers, Daphne and near Mobile, Alabama, USA, United States, Univ. of Florida.
- Paratype, workers, 42km SE Cuiaba and Chapada (both Mato Grosso), Brazil, Univ. of Georgia.
- Paratype, workers, Daphne and near Mobile, Alabama, USA, United States, Univ. of Georgia.
Unless otherwise noted the text for the remainder of this section is reported from the publication that includes the original description.
Description
Worker
Buren (1972) - Head length .77 to 1.41 mm, about 1.35 to 1.40 in majors; width .65 to 1.43 mm, about 1.39 to 1.42 mm in majors. Scape length .96 to 1.02 mm. in majors. Thoracic length 1.70 to 1.73 mm. in majors.
Head wider behind eyes, with rounded occipital lobes, lobe peaks further from the midline than in Solenopsis richteri, but occipital excision not as creaselike. Scapes in majors failing to reach occipital peaks in full face view by 1 or 2 scape diameters, a more noticeable space than in richteri. Scapes meeting occipital border in medium sized workers, slightly exceeding rear border in small workers. Head with more elliptical sides in medium or small medium workers. Only the small workers have the head slightly wider in front than behind.
Thorax of majors; pronotum without angular shoulders or a sunken posteromedian area. In profile the promesonotum evenly and strongly convex, and the base of the propodeum also usually convex and rounded rather evenly into the declivity; base and declivity in profile about equal in length in very large workers. Promesonotal suture moderately strong to rather weak centrally in large workers.
Petiole with thick, blunt scale; seen from behind the scale is usually not as evenly rounded above as in richteri and may be subtruncate, but this character variable. Postpetiole large and broad, in very large workers much broader than long; seen posterodorsally, sides parallel or nearly so, in very large workers often broader behind than in front; transverse impression on rear dorsal surface present or very feeble, usually noticeably weaker than in richteri.
Sculpture similar to richteri; punctures from which the pilosity arises often shallowly elongate on dorsal and ventral sides of head; sculptured areas on cheeks in frorit of eyes less striate and more irregularly rugose than in richteri. Striae on sides of thorax less deeply etched and with fewer intercalated punctures than in richteri. Mesopleura with anteroventral portion of striate area usually obliterated and nearly smooth and shining in major workers. Petiole punctate on the sides. Postpetiole from above with strong shagreen anteriorly, medially and posteriorly with distinct transverse punctostriae, sides covered with fine, deep punctures, these appearing to be individually smaller but deeper than those in richteri, giving a more opaque appearance to this surface; some punctostriae may be present toward the rear.
Pilosity very similar to that of richteri; erect hairs numerous and of various lengths; some very long hairs always present on each side of pronotum and mesonotum and in longitudinal rows on head; appressed pubescent hairs on anterior face of the petiolar scale moderately numerous, apparently always sparse in richteri.
Gastric spot present only in some of the large workers, never as brightly colored as in richteri, usually occupying a smaller area on first gastric tergite, and with rather indistinct posterior border. Remainder of gaster very dark brown, in some large workers nearly black. Thorax concolorously light reddish brown to darker brown; legs, including coxae, usually of a lighter shade. Head with rather constant color pattern in large workers; occiput and vertex brownish as in the thorax, but the larger portion of head, including front, genae, and central body of the clypeus, yellowish or light yellowish brown; venter of head also usually light yellowish brown. Mandibles and anterior border portions of the genae dark brown or of about the same shade as the occiput; a small dark brown arrowshaped or “rocket”-shaped mark centrally on front. Scapes and funiculi varying from matching the light colored area of the head to the same shade as occiput. In minors and medium sized workers, light colored area of the head restricted to frontal area, with dark arrow or rocket-shaped mark nearly always present. An occasional nest series with colors very much darker than described, large workers without trace of gastric spot and nearly concolorously very dark brown. Even in these specimens, the head similar to or approaching color patterns described above.
Pitts et. al. (2018) - Head subquadrate to weakly cordate. Head of largest specimens cordate. Sculpture of head and mesosomal dorsum with small piligerous foveolae, <0.01 mm in diameter. Median frontal streak present. Median ocellus in largest major workers absent. Mandibular costulae absent medially, distinct apically and basally along outer border. Mesonotum with 20–25 setae. Mesonotum with anteromedian margin in largest major workers gently curved. Mesonotum in lateral view convex. Propodeum sculpture glabrous posteroventral to spiracle. Postpetiole shape in posterior view width greater than height. Postpetiole in posterior view with lower 0.66 or greater transversely rugose to punctate-rugose, extreme dorsum nitid, granulate. Color generally with head and mesosoma yellow red to dark red brown, gaster brown, T1 with maculation yellow red to concolorous with surrounding integument.
Queen
Buren (1972) - Head length 1.27 to 1.29 mm; width 1.32 to 1.33 mm; scapes .95 to .98mm. and thorax 2.60 to 2.63 mm. in length.
Head nearly indistinguishable in shape from richteri, except that the occipital excision is not as crease-like. The scapes appear slightly shorter in general than in richteri. Petiolar scale much as in richteri, very convex above, seen from behind. Postpetiole with rather straight sides, seen from above, the sides never concave, unlike richteri. Sculpture of thorax not appreciably different from richteri, clear space between metapleural striate area and propodeal spiracles absent or reduced to a narrow crease. Sides of petiole punctate. Sides of postpetiole opaque with fine punctures, without much of the irregular roughening seen in richteri; anterior portion of dorsum strongly shagreend; middle and rear portion with distinct, tranverse puncto-striae. Erect hairs present on all surfaces. Anterior faces of petiole and pqstpetiole with dense matts of appressed pubescence, similar pubescent matts usually present on rear surface of propodeum.
Colors similar to worker. Gaster very dark brown. Thorax, legs, and scapes light brown, often with three longitudinal very dark streaks on mesoscutum. Head yellowish or yellowish brown centrally, occiput and mandibles approximately matching thorax. Wing veins very pale brown.
Pitts et. al. (2018) - Head. Slightly broader than long, quadrate, wider dorsal to eyes than ventral to them, sides of head convex from eyes to occipital angles, straight to nearly straight ventral to eyes. Eyes sometimes with 2–10 setae protruding from between ommatidia, setal length ≤ 3X width of ommatidium. Median ocellus large, prominent, circular. Lateral ocelli moderate to large, slightly ovate. Clypeus projecting, carinal teeth stout and sharp, carinae well defined, less so dorsally, slightly divergent ventrally. Paracarinal teeth small, sometimes poorly defined. Median clypeal tooth well developed. Approximately 0.50 of eye dorsal to midpoint of head. Antennal scape in repose surpasses lateral ocellus.
Mesosoma. Parapsidal lines present on posterior 0.50 of disk. Mesonotum with indistinct, median furrow on posterior one-sixth or less. Bidentate median process present on metasternum.Wing venation as in Fig.
Metasoma. Lateral faces of postpetiole slightly concave to wider ventrally. Petiolar and postpetiolar spiracles slightly tuberculate to not tuberculate.
Coloration, Sculpturing, and Pilosity. Piligerous foveolae small, sparse, width <0.01 mm in diameter, larger on head than on thorax and abdomen. Pubescence simple, golden and erect, longer and denser on head than elsewhere, longest on anterior edge of clypeus. Mesosoma with longest pubescence (length ≤ 0.25 mm) 2X longer than shortest pubescence. Mandible with 9–11 fine, distinct, costulae, sometimes costulae obsolescent medially. Propodeum with fine striae throughout. Petiolar nodes with lower 0.75 finely striate; granulate throughout. Postpetiole usually with 12–18 striations, often transverse, other times appearing to create swirling or circular patterns. Remaining integument smooth and polished. Color varies from red brown to brown red on dorsum of head, dorsum of thorax, and katepisternum of mesopleuron. Gaster brown. Sometimes on lighter colored individuals, bases of T1 and S1 are somewhat orange blending to brown apically. Brown maculations sometimes present anteromedially and on parapsidal lines. Median streak present, weak, sometimes indistinct or absent. Internal margins of ocelli often dark brown.
L ~5.9–8.3, HW 1.30–1.46, VW 0.66–0.88, HL 1.18–1.43, EL 0.38–0.49, OD 0.10–0.18, OOD 0.19–0.26, LOW 0.08–0.15, MOW 0.16–0.24, CD 0.15–0.22, MFC 0.15–0.25, EW 0.25–0.48, SL 0.78–1.11, PDL 0.13–0.25, LF1 0.08–0.14, LF2 0.07–0.10, LF3 0.07–0.12, WF1 0.06–0.11, FL 0.94–1.26, FW 0.22–0.36, MW 1.14–1.48, DLM 2.42–2.73, PRH 0.88–1.19, PL 0.72–0.83, PND 0.56–0.84, PH 0.57–0.78, PPL 0.24–0.42, DPW 0.51–0.74, PPW 0.71–0.77, PHB 0.26–0.48, N=25.
Male
Buren (1972) - Not appreciably different from male of richteri; upper border of petiolar scale appearing more strongly concave, seen from behind, but there probably is overlap in this character. As in both species, the spiracles of the petiole and post petiole are strongly projecting.
Concolorous black expect for the whitish antennae. Wing veins colorless to very pale brown.
Pitts et. al. (2018) - Head. Eyes sometimes with 2–10 setae protruding from between ommatidia, setal length ≤ 3X width of ommatidium. Ocelli large and prominent, elliptical.
Mesosoma. Propodeum rounded, declivous face perpendicular, flat except with distinct to indistinct median longitudinal depression, basal face strongly convex transversely and longitudinally. Metapleuron not broad, ~0.33 as wide as high, sometimes with transverse posterior carina. Wing venation as in Fig.
Metasoma. In cephalic view, dorsum of node with shallow to deep median impression and weakly to strongly bilobate. Petiolar and postpetiolar spiracles distinctly tuberculate to not tuberculate.
Coloration, Sculpturing, and Pilosity. Pubescence short, sparse, yellow to brown, erect to suberect (0.20–0.30 mm), longest on gena and vertex. Mesonotal pubescence dense. Propodeum with base striato-granulate, medially finely granulate. Area between eye and insertion of antenna, posterior portion of metapleuron, lateral faces of scutellum, and base of petiolar node granulate to striatogranulate. Posterior surface of postpetiolar node granulate throughout, rugae present dorsomedially. Area between ocelli weakly to coarsely striato-granulate. Gena coarsely rugose to coarsely striato-granulate. Head often completely granulate, shagreened, dull. Remaining integument smooth and polished. Color red brown to black with antenna completely yellow, sometimes scape and pedicel brown. Mandibles brown to light brown.
L ~5.4–6.3, HW 0.91–1.08, VW 0.30–0.40, HL 0.67–0.83, EL 0.37–0.53, OD 0.06–0.11, OOD 0.18–0.26, LOW 0.09–0.18, MOW 0.10–0.17, CD 0.16–0.24, MFC 0.13–0.18, EW 0.28–0.39, SL 0.16–0.20, SW 0.09–0.14, PDL 0.06–0.10, PEW 0.10–0.15, LF1 0.10–0.17, LF2 0.13–0.15, LF3 0.12–0.16, WF1 0.07–0.10, FL 1.00–1.15, FW 0.15–0.20, MW 1.20–1.68, DLM 2.27–2.64, PRH 0.78–1.04, PL 0.62–0.69, PND 0.54–0.61, PH 0.44–0.56, PPL 0.20–0.28, DPW 0.55–0.71, PPW 0.58–0.69, PHB 0.14–0.28, N=25.
Larva
Pitts et. al. (2018) - Fourth instar worker larva.—Head. Large, subpyriform in anterior view (height 0.50 mm, width 0.54 mm). Cranium slightly wider than long. Antenna with 2 or 3 sensilla, each with 1 spinule. Integument of head with minute spinules. Occipital setal row normally with 6–8 bifid setae, base ;0.66X total length of seta, setae 0.08–0.10 mm long. First setal row on vertex with 2 bifid setae, base ;0.66X total length of seta, 0.05–0.07 mm long. Second setal row on vertex with 4–6 simple setae, ;0.10 mm long. Setae anterior to antenna level simple, 0.08–0.14 mm long. Clypeus with transverse row of 4 setae, inner setae shorter than outer setae, 0.06–0.08 mm long. Labrum small, short (width 2.5X length). Labrum with 4–6 minute sensilla and 2 setae on dorsal surface of each half and apex with 4–6 sensilla on each half. Each half of the epipharynx with 2–3 isolated and 2 contiguous sensilla. Straight medial portion of mandible with 2–5 teeth that decrease in size dorsally. Maxilla with apex conical, palpus peg-like with 5 sensilla, each bearing one spinule. Galea conical with 2 apical sensilla bearing spinules. Maxilla with sclerotized band between cardo and stipes. Labium with patches of spinules dorsal to each palpus, in 2–3 rows. Labial palpus slightly elevated with 5 sensilla, each bearing one spinule.
Body. Stout. Spiracles small, first spiracle larger than others. Body setae of 2 types. Simple setae (0.06–0.11 mm long) arranged in transverse row of 6–12 on ventral surface of each thoracic somite and on each of 3 anterior abdominal somites, some with short denticulate tips. Bifid setae (0.06–0.09 mm long) occur elsewhere, base ~0.5X length.
Length. About 3.1 mm.
Fourth instar worker larva (O-18).— Head. Large, subpyriform in anterior view. Cranium slightly broader than long. Antenna with 2 or 3 sensilla, each bearing spinule. Integument of head with minute spinules. Occipital setal row with 4–6 setae (0.06–0.08 mm long), median pair simple, other setae bifid with base 0.66–0.75X total length of seta. First setal row on vertex with 2 simple setae,;0.09 mm long. Second setal row on vertex with 2 simple setae, 0.10–0.12 mm long. Setae ventral to antenna level simple, 0.09–0.12 mm long. Clypeus with transverse row of 4 setae, inner setae shorter than outer setae, 0.05–0.10 mm long. Labrum small, short (width 1.8X length), slightly narrowed medially. Labrum with 5 minute sensilla and 2 setae on anterior surface of each half and ventral border with 6 sensilla on each half. Each half of posterior surface of labrum with 2–3 isolated sensilla. Straight medial portion of mandible with 2–5 teeth that decrease in size basally. Maxilla with apex conical, palpus peg-like with 5 sensilla, each bears one spinule. Galea conical with 2 apical sensilla. Labium with patch of spinules dorsal to each palpus, spinules coarse and isolated or in short rows of 2–3. Labial palpus slightly elevated with 5 sensilla, each bearing one spinule.
Body. Spiracles small, first spiracle larger than others. Body setae of 2 types. Simple setae (0.07–0.12 mm long) arranged in transverse rows of 6–9 on ventral surface of each thoracic somite and on each of 3 anterior abdominal somites, some with short denticulate tips. Bifid setae (0.08–0.12 mm long) occur elsewhere, base ≤ 0.33X length, branches more or less perpendicular to base, tips recurved.
Length. 2.7–2.9 mm.
Karyotype
- See additional details at the Ant Chromosome Database.
- Explore: Show all Karyotype data or Search these data. See also a list of all data tables or learn how data is managed.
- n = 16, 2n = 32 (USA) (Glancey et al., 1976).
Worker Morphology
- Explore: Show all Worker Morphology data or Search these data. See also a list of all data tables or learn how data is managed.
- Caste: polymorphic
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- Penick, C.A., Ebie, J., Moore, D. 2013. A non-destructive method for identifying the sex of ant larvae. Insectes Sociaux 61, 51–55 (doi:10.1007/s00040-013-0323-5).
- Pereira, R.M. 2004. Occurrence of Myrmicinosporidium durum in red imported fire ant, Solenopsis invicta, and other new host ants in eastern United States. Journal of Invertebrate Pathology 86: 38-44 (doi:10.1016/j.jip.2004.03.005).
- Pereira, R.M., Williams, D.F., Becnel, J.J., Oi, D.H. 2002. Yellow-head disease caused by a newly discovered Mattesia sp. in populations of the red imported fire ant, Solenopsis invicta. Journal of Invertebrate Pathology 81: 45-48 (doi:10.1016/S0022-2011(02)00116-7).
- Pérez-Lachaud, G., Bartolo-Reyes, J.C., Quiroa-Montalván, C.M., Cruz-López, L., Lenoir, A., Lachaud, J.-P. 2015. How to escape from the host nest: Imperfect chemical mimicry in eucharitid parasitoids and exploitation of the ants’ hygienic behavior. Journal of Insect Physiology 75, 63–72 (doi:10.1016/J.JINSPHYS.2015.03.003).
- Pitts, J.P., Camacho, G.P., Gotzek, D., McHugh, J.V., Ross, K.G. 2018. Revision of the fire ants of the Solenopisis saevissima species group (Hymenoptera: Formicidae). Proceedings of the Entomological Society of Washington, 120: 308–411.
- Poinar, G., Jr. 2012. Nematode parasites and associates of ants: Past and present. Psyche, 2012, Article ID 192017, 13 pages (DOI 10.1155/2012/192017).
- Poinar, G.O. Jr, Porter, S.D., Tang, S., Hyman, B.C. 2007. Allomermis solenopsi n. sp. (Nematoda: Mermithidae) parasitising the fire ant Solenopsis invicta Buren (Hymenoptera: Formicidae) in Argentina. Systematic Parasitology 68: 115-128 (doi:10.1007/s11230-007-9102-x).
- Ramalho, M.de O., Kim, Z., Wang, S., Moreau, C.S. 2021. Wolbachia Across Social Insects: Patterns and Implications. Annals of the Entomological Society of America 114, 206–218 (doi:10.1093/aesa/saaa053).
- Ramalho, M.de O., Martins, C., Morini, M.S.C., Bueno, O.C. 2020. What can the bacterial community of Atta sexdens (Linnaeus, 1758) tell us about the habitats in which this ant species evolves? Insects 11, 332. (doi:10.3390/INSECTS11060332).
- Ramirez-Esquivel, F., Zeil, J., Narendra, A. 2014. The antennal sensory array of the nocturnal bull ant Myrmecia pyriformis. Arthropod Structure, Development 43, 543–558. (doi:10.1016/j.asd.2014.07.004).
- Rashied, A., Jaleel, W., Ikhlaq, M., Majeed, M.Z., Azad, R., Muhammad, W., Altaf, L., Shehzad, M.B., Wang, D., Noreen, A., Amjad, M.A., He, Y. 2023. Evaluating the toxicity of piperine, azadirachtin, and quercetin against Solenopsis invicta Buren (Hymenoptera: Formicidae) workers via feeding bioassay under controlled condition. Plant Protection 7(3), 427–437 (doi:10.33804/pp.007.03.4787).
- Roeder, K. A., D. V. Roeder, and M. Kaspari. 2018. The role of temperature in competition and persistence of an invaded ant assemblage. Ecological Entomology. 43:774-781. doi:10.1111/een.12663
- Rosas-Mejía, M., Guénard, B., Aguilar-Méndez, M. J., Ghilardi, A., Vásquez-Bolaños, M., Economo, E. P., Janda, M. 2021. Alien ants (Hymenoptera: Formicidae) in Mexico: the first database of records. Biological Invasions 23(6), 1669–1680 (doi:10.1007/s10530-020-02423-1).
- Ross, K.G., Trager, J.C. 1990. Systematics and population genetics of fire ants (Solenopsis saevissima complex) from Argentina. Evolution 44: 2113-2134.
- Ross, K.G., Vargo, E.L., Keller, L., Trager, J.C. 1993. Effect of a founder event on variation in the genetic sex-determining system of the fire ant Solenopsis invicta. Genetics 135:843–854.
- Roux, J., Privman, E., Moretti, S., Daub, J.T., Robinson-Rechavi, M., Keller, L. 2014. Patterns of positive selection in seven ant genomes. Molecular Biology and Evolution 31, 1661–1685 (doi:10.1093/molbev/msu141).
- Ruano, F., Tinaut, A., Soler, J.J. 2000. High surface temperatures select for individual foraging in ants. Behavioral Ecology 11, 396-404.
- Saddoris, K., Fritz, A.H., Fritz, G.N. 2016. Evidence of selective mating and triploidy among two social forms of Solenopsis invicta (Hymenoptera: Formicidae). Florida Entomologist 99, 566-568.
- Sánchez-Restrepo, A.F., Chifflet, L., Confalonieri, V.A., Tsutsui, N.D., Pesquero, M.A., Calcaterra, L.A. 2020. A Species delimitation approach to uncover cryptic species in the South American fire ant decapitating flies (Diptera: Phoridae: Pseudacteon). PLOS ONE 15, e0236086 (doi:10.1371/journal.pone.0236086).
- Schultner, E., Pulliainen, U. 2020. Brood recognition and discrimination in ants. Insectes Sociaux 67, 11–34 (doi:10.1007/s00040-019-00747-3).
- Sharaf, M.R., Gotzek, D., Guénard, B., Fisher, B.L., Aldawood, A.S., Al Dhafer, H.M., Mohamed, A.A. 2020. Molecular phylogenetic analysis and morphological reassessments of thief ants identify a new potential case of biological invasions. Scientific Reports 10, 12040 (doi:10.1038/s41598-020-69029-4).
- Shattuck, S. O.; Porter, S. D.; Wojcik, D. P. 2004. Case 3069. Solenopsis invicta Buren, 1972 (Insecta, Hymenoptera): proposed conservation of the specific name. Bull. Zool. Nomencl. 56: 27-30 (conservation of name)
- Shi, Q., He, Y., Chen, J., Lu, L. 2020. Thermally Induced Actinidine Production in Biological Samples. Journal of Agricultural and Food Chemistry 68, 12252–12258 (doi:10.1021/acs.jafc.0c02540).
- Siddiqui, J. A., Li, J., Zou, X., Bodlah, I., Huang, X. 2019. Meta-analysis of the global diversity and spatial patterns of aphid-ant mutualistic relationships. Applied Ecology and Environmental Research 17: 5471-5524 (doi:10.15666/aeer/1703_54715524).
- Siddiqui, J.A., Bamisile, B.S., Khan, M.M., Islam, W., Hafeez, M., Bodlah, I., Xu, Y. 2021. Impact of invasive ant species on native fauna across similar habitats under global environmental changes. Environmental Science and Pollution Research 28(39), 54362–54382 (doi:10.1007/s11356-021-15961-5).
- Silva, J.R.da, Souza, A.Z.de, Pirovani, C.P., Costa, H., Silva, A., Dias, J.C.T., Delabie, J.H.C., Fontana, R. 2018. Assessing the proteomic activity of the venom of the ant Ectatomma tuberculatum (Hymenoptera: Formicidae: Ectatomminae). Psyche: A Journal of Entomology 2018, 1–11 (doi:10.1155/2018/7915464).
- Silva, P.S., Koch, E.B. de A., Arnhold, A., Delabie, J.H.C. 2022. Review of distribution modeling in ant (Hymenoptera: Formicidae) biogeographic studies. Sociobiology 69(4), e7775 (doi:10.13102/sociobiology.v69i4.7775).
- Smith, D. R. 1979. Superfamily Formicoidea. Pp. 1323-1467 in: Krombein, K. V., Hurd, P. D., Smith, D. R., Burks, B. D. (eds.) Catalog of Hymenoptera in America north of Mexico. Volume 2. Apocrita (Aculeata). Washington, D.C.: Smithsonian Institution Pr (page 1386, see also)
- Sokolova, Y.Y. & Fuxa, J.R. 2008. Biology and life-cycle of the microsporidium Kneallhazia solenopsae Knell Allan Hazard 1977 gen. n., comb. n., from the fire ant Solenopsis invicta. Parasitology 135, 903-929 (DOI 10.1017/S003118200800440X).
- Sozanski, K., Prado, L.P., Mularo, A.J., Sadowski, V.A., Jones, T.H., Adams, R.M.M. 2020. Venom function of a new species of Megalomyrmex Forel, 1885 (Hymenoptera: Formicidae). Toxins 12, 679 (doi:10.3390/toxins12110679).
- Sparks, K. 2015. Australian Monomorium: Systematics and species delimitation with a focus of the M. rothsteini complex. Ph.D. thesis, University of Adelaide.
- Steele, C.H., King, J.R., Boughton, E.H., Jenkins, D. 2020. Distribution of the Red Imported Fire Ant Solenopsis invicta (Hymenoptera: Formicidae) in Central Florida Pastures. Environmental Entomology 49, 956–962 (doi:10.1093/ee/nvaa037).
- Stukalyuk, S., Radchenko, A., Akhmedov, A., Reshetov, A., Netsvetov, M. 2021. Acquisition of invasive traits in ant, Crematogaster subdentata Mayr (Hymenoptera: Formicidae) in urban environments. Serangga 26: 1-29.
- Stukalyuk, S., Radchenko, Y., Gonchar, O., Akhmedov, A., Stelia, V., Reshetov, A., Shymanskyi, A. 2021. Mixed colonies of Lasius umbratus and Lasius fuliginosus (Hymenoptera, Formicidae): when superparasitism may potentially develop into coexistence: a case study in Ukraine and Moldova. Halteres 12, 25–48 (doi:10.5281/zenodo.5753121).
- Sundstrom, L. 1993. Genetic population structure and sociogenetic organisation in Formica truncorum (Hymenoptera; Formicidae). Behavioral Ecology and Sociobiology 33:345-354
- The most well studied ant in the world, at least in terms of publications that focus on or include this ant in their studies. Here is a page that contains some records of publications that include Solenopsis invicta.
- Trager, J. C. 1991. A revision of the fire ants, Solenopsis geminata group (Hymenoptera: Formicidae: Myrmicinae). J. N. Y. Entomol. Soc. 99: 141-198 (page 173, wagneri unavailable name)
- Trible, W., Kronauer, D.J.C. 2017. Caste development and evolution in ants: it's all about size. Journal of Experimental Biology 220, 53–62 (doi:10.1242/jeb.145292).
- Trigos-Peral, G., Abril, S., Angulo, E. 2020. Behavioral responses to numerical differences when two invasive ants meet: the case of Lasius neglectus and Linepithema humile. Biological Invasions (doi:10.1007/s10530-020-02412-4).
- Tschinkel, W.R. 2015. The architecture of subterranean ant nests: beauty and mystery underfoot. Journal of Bioeconomics 17:271–291 (DOI 10.1007/s10818-015-9203-6).
- Tschinkel, W.R., Mikheyev, A.S., Storz, S.R. 2003. Allometry of workers of the fire ant, Solenopsis invicta. Journal of Insect Science 3(2): 1–11 (doi:10.1673/031.003.0201).
- Tseng, S.-P. 2020. Evolutionary history of a global invasive ant, Paratrechina longicornis (Dissertation_全文 ). Ph.D. thesis, Kyoto University.
- Ulysséa, M.A., Brandão, C.R.F. 2013. Ant species (Hymenoptera, Formicidae) from the seasonally dry tropical forest of northeastern Brazil: a compilation from field surveys in Bahia and literature records. Revista Brasileira de Entomologia 57, 217–224 (doi:10.1590/s0085-56262013005000002).
- Valles, S.M., Oliver, J.B., Addesso, K.M., Perera, O.P. 2021. Unique venom proteins from Solenopsis invicta x Solenopsis richteri hybrid fire ants. Toxicon: X 9-10, 100065 (doi:10.1016/j.toxcx.2021.100065).
- Vandermeer, J., Perfecto, I. 2020. Endogenous spatial pattern formation from two intersecting ecological mechanisms: the dynamic coexistence of two noxious invasive ant species in Puerto Rico. Proceedings of the Royal Society B: Biological Sciences 287, 20202214 (doi:10.1098/rspb.2020.2214).
- Vatanparast, M., Park, Y. 2021. Comparative RNA-Seq analyses of Solenopsis japonica (Hymenoptera: Formicidae) reveal gene in response to cold stress. Genes 12, 1610 (doi:10.3390/genes12101610).
- Wang, C., Billen, J., Wei, C., He, H. 2019. Morphology and ultrastructure of the infrabuccal pocket in Camponotus japonicus Mayr (Hymenoptera: Formicidae). Insectes Sociaux 66, 637–646 (doi:10.1007/s00040-019-00726-8).
- Wang, C., Chung, F.-Y., Lin, C.-C., Gibson, J. C., McGuire, S., Suarez, A. V., Billen, J. 2023. The spongiform tissue in Strumigenys ants contains exocrine glands. Arthropod Structure & Development 73, 101246 (doi:10.1016/j.asd.2023.101246).
- Wang, W.Y., Soh, E.J.Y., Yong, G.W.J., Wong, M.K.L., Benoit Guénard, Economo, E.P., Yamane, S. 2022. Remarkable diversity in a little red dot: a comprehensive checklist of known ant species in Singapore (Hymenoptera: Formicidae) with notes on ecology and taxonomy. Asian Myrmecology 15: e015006 (doi:10.20362/am.015006).
- Ward, D. 2009. The potential distribution of the red imported fire ant, Solenopsis invicta Buren (Hymenoptera: Formicidae), in New Zealand. New Zealand Entomologist 32: 67-75.
- Wetterer, J.K. 2022. New-world spread of the Old-world Robust Crazy Ant, Nylanderia bourbonica (Forel) (Hymenoptera: Formicidae). Sociobiology, 69(2), e7343 (doi:10.13102/sociobiology.v69i2.7343).
- Wheeler, G. C.; Wheeler, J. 1977a. Supplementary studies on ant larvae: Myrmicinae. Trans. Am. Entomol. Soc. 103: 581-602 (page 588, larva described)
- Wong, M.K.L., Carmona, C.P. 2020. Including intraspecific trait variability to avoid distortion of functional diversity and ecological inference: lessons from natural assemblages. bioRxiv preprint (doi:10.1101/2020.09.17.302349).
- Wong, M.K.L., Guénard, B., Lewis, O.T. 2020. The cryptic impacts of invasion: functional homogenization of tropical ant communities by invasive fire ants. Oikos 129, 585–597 (doi:10.1111/oik.06870).
- Wurm, Y. et al. 2011. The genome of the fire ant Solenopsis invicta. PNAS. 108(14):5679-5684. doi:10.1073/pnas.1009690108
- Wylie, R., Oakey, J., Williams, E.R. 2021. Alleles and algorithms: The role of genetic analyses and remote sensing technology in an ant eradication program. NeoBiota 66, 55–73 (doi:10.3897/neobiota.66.64523).
- Yongsheng Gao, Fabian Bracco, Sanqiang Zhao, Terrence Michael Caelli (2012): An Automatic On-Site Fire Ant Screening System. IEEE Computer Society. http://dx.doi.org/10.1109/DICTA.2012.6411725.
- Zhou, A.M., Liang, G.W., Zeng, L., Lu, Y.Y., Xu, Y.J. 2014. Interactions between Ghost Ants and invasive mealybugs: The case of Tapinoma melanocephalum (Hymenoptera: Formicidae) and Phenacoccus solenopsis (Hemiptera: Pseudococcidae). Florida Entomologist 97, 1474–1480 (doi:10.1653/024.097.0423).
References based on Global Ant Biodiversity Informatics
- Bezdeckova K., P. Bedecka, and I. Machar. 2015. A checklist of the ants (Hymenoptera: Formicidae) of Peru. Zootaxa 4020 (1): 101–133.
- Brandao, C.R.F. 1991. Adendos ao catalogo abreviado das formigas da regiao neotropical (Hymenoptera: Formicidae). Rev. Bras. Entomol. 35: 319-412.
- Buren W. F. 1972. Revisionary studies on the taxonomy of the imported fire ants. Journal of the Georgia Entomological Society 7: 1-26.
- Buren W. F. 1982. Red imported fire ant now in Puerto Rico. Florida Entomologist 65: 188-189.
- Calcaterra L. A., S. M. Cabrera, F. Cuezzo, I. J. Perez, and J. A. Briano. 2010. Habitat and Grazing Influence on Terrestrial Ants in Subtropical Grasslands and Savannas of Argentina. Annals of the Entomological Society of America 103(4): 635-646.
- Canepuccia A. D., F. Hidalgo, J. L. Farina, F. Cuezzo, and O. O. Iribarne. 2016. Environmental harshness decreases ant β-diversity between salt marsh and neighboring upland environments. Wetlands DOI 10.1007/s13157-016-0777-0.
- Costa-Milanez C. B., G. Lourenco-Silva, P. T. A. Castro, J. D. Majer, and S. P. Ribeiro. 2014. Are ant assemblages of Brazilian veredas characterised by location or habitat type? Braz. J. Biol. 74(1): 89-99.
- Creighton W. S. 1930. The New World species of the genus Solenopsis (Hymenop. Formicidae). Proceedings of the American Academy of Arts and Sciences 66: 39-151.
- Drose W., L. R. Podgaiski, C. Fagundes Dias, M. de Souza Mendonca. 2019. Local and regional drivers of ant communities in forest-grassland ecotones in South Brazil: A taxonomic and phylogenetic approach. Plos ONE 14(4): e0215310.
- Feener Jr., D.H., M.R. Orr, K.M. Wackford, J.M. Longo, W.W. Benson and L.E. Gilbert. 2008. Geographic Variation in Resource Dominance-Discovery in Brazilian Ant Communities. Ecology 89(7):1824-1836
- Gazzana Flores D., C. L. Goettert, E. Diehl. 2002. Ant communities in Inga marginata and Jacaranda micrantha in a sub-urban area. Acta Biologica Leopoldensia 24(2): 147-155.
- LeBrun, E.G., C. V. Tillberg, A. V. Suarez, P. J. Folgarait, C. R. Smith and D. A. Holway. 2007. An Experimental Study of Competition between Fire Ants and Argentine Ants in Their Native Range. Ecology 88(1):63-75
- Lutinski J. A., B. C. Lopes, and A. B. B.de Morais. 2013. Diversidade de formigas urbanas (Hymenoptera: Formicidae) de dez cidades do sul do Brasil. Biota Neotrop. 13(3): 332-342.
- Nogueira Rossi M., and H. G. Fowler. 2004. Predaceous Ant Fauna in New Sugarcane Fields in the State of São Paulo, Brazil. Brazilian Archives of Biology and Technology 47(5): 805-811.
- Pereira M. C., J. H. C. Delabie, Y. R. Suarez, and W. F. Antonialli Junior. 2013. Spatial connectivity of aquatic macrophytes and flood cycle influence species richness of an ant community of a Brazilian floodplain. Sociobiology 60(1): 41-49.
- Pesquero M. A., and A. M. Penteado-Dias. 2004. New records of Orasema xanthopus (Hymenoptera: Eucharitidae) and Solenopsis daguerrei (Hymenoptera: Formicidae) from Brazil. Braz. J. Biol., 64(3B): 737.
- Pitts J. P., G. P. Camacho, D. Gotzek, J. V. Mchugh, and K. G. Ross. 2018. Revision of the fire ants of the Solenopsis saevissima species-group (Hymenoptera: Formicidae). Proceedings of the Entomological Society of Washington 120(2): 308-411.
- Porter, S.D., S.M. Valles, T.S. Davis, J.A. Briano, L.A. Calcaterra, D.H. Oi and R.A. Jenkins. 2007. Host Specificity of the Microsporidian Pathogen Vairimorpha Invictae at Five Field Sites with Infected Solenopsis Invicta Fire Ant Colonies in Northern Argentina. The Florida Entomologist 90(3):447-452
- Raci N., C. Sravanthy, C. Sammaiah, and M. Thirupahaiah. 2015. Biodiversity of ants (Insecta-Hymenoptera) in agroecosystem and grass land in Jammikunta, Karimnagar District, Telangana, India. Journal ofEnvironment 4(1): 11-16.
- Ribas C. R., F. A. Schmidt, R. R. C. Solar, R. B. F. Campos, C. L. Valentim, and J. H. Schoereder. 2012. Ants as Indicators of the Success of Rehabilitation Efforts in Deposits of Gold Mining Tailings. Restoration Ecology 20(6): 712722.
- Ribas C. R., R. R. C. Solar, R. B. F. Campos, F. A. Schmidt, C. L. Valentim, and J. H. Schoereder. 2012. Can ants be used as indicators of environmental impacts caused by arsenic? Insect Conserv 16: 413421.
- Santoandre S., J. Filloy, G. A. Zurita, and M. I. Bellocq. 2019. Ant taxonomic and functional diversity show differential response to plantation age in two contrasting biomes. Forest Ecology and Management 437: 304-313.
- Santos-Junior L. C., J. M. Saraiva, R. Silvestre, and W. F. Antonialli-Junior. 2014. Evaluation of Insects that Exploit Temporary Protein Resources Emphasizing the Action of Ants (Hymenoptera, Formicidae) in a Neotropical Semi-deciduous Forest. Sociobiology 61(1): 43-51
- Santschi F. 1916. Formicides sudaméricains nouveaux ou peu connus. Physis (Buenos Aires). 2: 365-399.
- Santschi F. 1923. Solenopsis et autres fourmis néotropicales. Revue Suisse de Zoologie 30: 245-273.
- Silva F. H. O., J. H. C. Delabie, G. B. dos Santos, E. Meurer, and M. I. Marques. 2013. Mini-Winkler Extractor and Pitfall Trap as Complementary Methods to Sample Formicidae. Neotrop Entomol 42: 351358.
- Suguituru S. S., M. Santina de Castro Morini, R. M. Feitosa, and R. Rosa da Silva. 2015. Formigas do Alto Tiete. Canal 6 Editora 458 pages
- Tillberg, C.V., D.P. McCarthy, A.G. Dolezal and A.V. Suarez. 2006. Measuring the trophic ecology of ants using stable isotopes. Insectes Sociaux 53:65-69
- Trager J. C. 1991. A revision of the fire ants, Solenopsis geminata group (Hymenoptera: Formicidae: Myrmicinae). Journal of the New York Entomological Society 99: 141-198
- Ulyssea M. A., C. R. F. Brandao. 2013. Catalogue of Dacetini and Solenopsidini ant type specimens (Hymenoptera, Formicidae, Myrmicinae) deposited in the Museu de Zoologia da Universidade de Sao Paulo, Brazil. Papies Avulsos de Zoologia 53(14): 187-209.
- Wild, A. L. "A catalogue of the ants of Paraguay (Hymenoptera: Formicidae)." Zootaxa 1622 (2007): 1-55.
- da Silva Araujo, M., Castro Della Lucia, T.M., DA VEIGA, Clayton E y CARDOSO DO NASCIMENTO, Ivan. 2004. Efeito da queima da palhada de cana-de-açúcar sobre comunidade de formicídeos. Ecol. austral. 14(2): 191-200.
- Pages using DynamicPageList3 parser function
- Common Name
- Highly invasive
- Supercolonies
- Facultatively polygynous
- Diploid male
- Photo Gallery
- Tropical
- South subtropical
- South temperate
- Ant Associate
- Host of Solenopsis daguerrei
- FlightMonth
- Beetle Associate
- Host of Myrmecosaurus ferrugineus
- Phorid fly Associate
- Host of Pseudacteon cultellatus
- Host of Pseudacteon curvatus
- Host of Pseudacteon litoralis
- Host of Pseudacteon nocens
- Host of Pseudacteon nudicornis
- Host of Pseudacteon obtusitus
- Host of Pseudacteon obtusus
- Host of Pseudacteon pradei
- Host of Pseudacteon solenopsidis
- Host of Pseudacteon tricuspis
- Host of Pseudacteon wasmanni
- Host of Apodicrania termitophila
- Aphid Associate
- Host of Myzus persicae
- Eucharitid wasp Associate
- Host of Orasema sp.
- Host of Orasema salebrosa
- Host of Orasema simplex
- Host of Orasema xanthopus
- Strepsipteran Associate
- Host of Caenocholax fenyesi
- Host of Pseudacteon onyx
- Gregarine Associate
- Host of Mattesia species
- Fungus Associate
- Host of Myrmicinosporidium durum
- Microsporidian fungus Associate
- Host of Kneallhazia solenopsae
- Host of Vairimorpha invictae
- Host of Thelohania solenopsae
- Host of Aspergillus flavipes
- Host of Aspergillus nomius
- Host of Aspergillus tubingensis
- Host of Cochiobolus kusanoi
- Host of Curvularia sp.
- Host of Fusarium equiseti
- Host of Fusarium oxysporum
- Host of Hypocrea lixii
- Host of Neosartorya fischeri
- Host of Penicillium spinulosum
- Host of Aspergillus flavus
- Host of Beauveria bassiana
- Host of Conidiobolus macrosporus
- Host of Metarhizium anisopliae
- Nematode Associate
- Host of Allomermis solenopsi
- Host of Steinernema carpocapsae
- Host of Tetradonema solenopsis
- Host of Diploscapter sp.
- Host of Heterorhabditis bacteriophora
- Host of Mesorhabditis longespiculosa
- Host of Oscheius dolichura
- Host of Sclerorhabditis sp.
- Host of Steinerema carpocapsae
- Host of Mermithidae (unspec.)
- Bacterium Associate
- Host of Achromobacter xylosoxidans 1
- Host of Achromobacter xylosoxidans 2
- Host of Acidobacterium sp.
- Host of Acinetobacter guillouiae
- Host of Acinetobacter sp.
- Host of Actinomycetospora sp.
- Host of Aeromicrobium sp.
- Host of Agromyces sp.
- Host of Alcaligenes faecalis
- Host of Anaeroplasma sp.
- Host of Arthrobacter sp.
- Host of Bacillus cereus 2
- Host of Bacillus cereus 3
- Host of Bacillus pseudomycoides
- Host of Bacillus sp. 2
- Host of Bacillus sp. 5
- Host of Bacillus sp. 6
- Host of Bacillus sp. 7
- Host of Bacillus sp. 8
- Host of Bacillus sp.
- Host of Bacillus thuringiensis
- Host of Bacteroides sp.
- Host of Bradyrhizobium sp.
- Host of Brevibacillus laterosporus
- Host of Brevibacterium frigoritolerans
- Host of Brevundimonas diminuta
- Host of Brevundimonas sp.
- Host of Caldilinea sp.
- Host of Clostridium sp.
- Host of Comamonas sp.
- Host of Conexibacter sp.
- Host of Curtobacterium sp.
- Host of Cystobacter sp.
- Host of Enterobacter amnigenus
- Host of Enterobacter sp. 1
- Host of Enterococcus sp.
- Host of Erwinia sp.
- Host of Folliculinopsis sp.
- Host of Gemmatimonas sp.
- Host of Geobacillus sp.
- Host of Geopsychrobacter sp.
- Host of Geothermobacter sp.
- Host of Herbaspirillum sp.
- Host of Janthinobacterium sp.
- Host of Jeotgalicoccus halotolerans
- Host of Klebsiella oxytoca
- Host of Lactobacillus sp.
- Host of Lactococcus sp.
- Host of Loktanella sp.
- Host of Lysinibacillus fusiformis 1
- Host of Marmoricola sp.
- Host of Methylocystis sp.
- Host of Mycobacterium sp.
- Host of Nocardioides sp.
- Host of Paenibacillus lautus
- Host of Paenibacillus macerans
- Host of Paenibacillus sp. 1
- Host of Paenibacillus sp. 2
- Host of Paenibacillus sp.
- Host of Pandoraea sp. 1
- Host of Pandoraea sp. 2
- Host of Pandoraea sp. 3
- Host of Pantoea sp.
- Host of Patulibacter sp.
- Host of Propionibacterium sp.
- Host of Pseudomonas protegens
- Host of Pseudomonas putida
- Host of Pseudomonas sp. 1
- Host of Pseudomonas sp. 2
- Host of Pseudomonas sp.
- Host of Pseudonocardia sp.
- Host of Rahnella sp.
- Host of Schlegelella sp.
- Host of Serratia liquefaciens
- Host of Serratia marcescens 2
- Host of Serratia marcescens 3
- Host of Serratia sp. 1
- Host of Serratia sp. 2
- Host of Serratia sp. 3
- Host of Serratia sp. 4
- Host of Solirubrobacter sp.
- Host of Sphingomonas sp.
- Host of Staphylococcus epidermidis
- Host of Staphylococcus sp.
- Host of Stenotrophomonas maltophilia
- Host of Stenotrophomonas sp.
- Host of Streptococcus sp.
- Host of Streptomyces sp.
- Host of Sulfurimonas sp.
- Host of Thalassobacter sp.
- Host of Zoogloea sp.
- Virus Associate
- Host of Aparavirus: Solenopsis invicta virus-1
- Host of Hymenopteran ambidensovirus 1
- Host of Invictavirus: Solenopsis invicta virus-3
- Host of Solenopsis invicta virus-2
- Economolab 3D
- Karyotype
- Species
- Extant species
- Formicidae
- Myrmicinae
- Solenopsidini
- Solenopsis
- Solenopsis invicta
- Myrmicinae species
- Solenopsidini species
- Solenopsis species
- Ssr