Ectatomma brunneum
Ectatomma brunneum | |
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Scientific classification | |
Kingdom: | Animalia |
Phylum: | Arthropoda |
Class: | Insecta |
Order: | Hymenoptera |
Family: | Formicidae |
Subfamily: | Ectatomminae |
Tribe: | Ectatommini |
Genus: | Ectatomma |
Species: | E. brunneum |
Binomial name | |
Ectatomma brunneum Smith, F., 1858 | |
Synonyms | |
Koch et al. (2018) sampled this species in Caryocar barsiliense trees, in southeastern Brazil cerrado, as part of a study examining species interactions in ant-plants.
Identification
Distribution
Latitudinal Distribution Pattern
Latitudinal Range: 25.68015° to -64.36°.
North Temperate |
North Subtropical |
Tropical | South Subtropical |
South Temperate |
- Source: AntMaps
Distribution based on Regional Taxon Lists
Neotropical Region: Argentina, Bolivia, Brazil (type locality), Colombia, Ecuador, French Guiana, Guyana, Panama, Paraguay, Peru, Suriname.
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. |
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Biology
Bernardia et al (2017) examined the components and variability of E. brunneum sting venom in workers. The venom primarily consisted of proteins and peptides. Workers were sampled across a range of habitats and the venom composition varied with environment, apparently due to their diet.
Dambros et al. (2018) - Ectatomma brunneum was collected via arboreal fogging in an inundated northern Pantanal (Mato Grasso, Brazil) cambarazal forest. The seasonally flooded forest was dominated by Vochysia divergens Pohl. (Vochysiaceae), regionally known as cambará, a tree species considered invasive to the Pantanal’s natural fields.
Passos and Leal (2019) - This species was found attending extrafloral nectaries of the plant Turnera subulata in northeastern Brazil (12°16′24″S 38°57′20″W / 12.27333°S 38.95556°W) Caatinga vegetation. Ectatomma brunneum was classified as a subordinate species and was infrequently observed.
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.
- This species is a host for the eucharitid wasp Dicoelothorax platycerus (a parasite) (Universal Chalcidoidea Database) (primary host).
- This species is a host for the eucharitid wasp Galearia latreillei (a parasitoid) (Quevillon, 2018) (multiple encounter modes; direct transmission; transmission outside nest).
- This species is a host for the eucharitid wasp Kapala sp. 1 (a parasitoid) (Quevillon, 2018) (multiple encounter modes; direct transmission; transmission outside nest).
Castes
Nomenclature
The following information is derived from Barry Bolton's Online Catalogue of the Ants of the World.
- brunneum. Ectatomma brunnea Smith, F. 1858b: 103 (w.q.) BRAZIL (Pará).
- Type-material: syntype worker(s), 1 syntype queen.
- [Note: certainly 1 syntype worker in BMNH together with a second worker and a queen, also from the type-locality, but the worker has passed through the Farren White collection and has lost its original labels.]
- Type-locality: Brazil: Santarem (no collector’s name, perhaps Bates).
- Type-depository: BMNH.
- Replacement name for Formica quadridens Fabricius, 1793: 362. [Junior primary homonym of Formica quadridens De Geer, 1773: 609.]
- Junior synonym of quadridens: Roger, 1860: 307; Roger, 1863b: 17; Mayr, 1863: 410; Dalla Torre, 1893: 25; Forel, 1895b: 112; Wheeler, W.M. 1908a: 123; Emery, 1911d: 43; Bruch, 1916: 295; Gallardo, 1918a: 32; Borgmeier, 1923: 58; Kempf, 1972a: 105.
- [Note: brunnea junior synonym of quadridens Fabricius (synonymy by Roger, 1860: 307); hence brunnea first available replacement name (Bolton, 1995b: 186).]
- Status as species: Bolton, 1995b: 186; Wild, 2007b: 26; Arias-Penna, 2008b: 60; Bezděčková, et al. 2015: 110; Feitosa, 2015c: 97; Feitosa & Prada-Achiardi, 2019: 665; Camacho, Franco, Branstetter, et al. 2022: 10.
- Distribution: Argentina, Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Panama, Paraguay, Peru, Suriname, Trinidad.
The following notes on F. Smith type specimens have been provided by Barry Bolton (details):
Ectatomma brunnea
Syntype worker in The Natural History Museum. “Santarem” (Brazil). The syntype queen can not be positively identified. In The Natural History Museum there is another worker and another queen, also from the type-locality of Santarem, but the worker has passed through the Farren White collection.
Description
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 = 22, 2n = 44, karyotype = 22M+22A (Brazil) (Barros et al., 2008; Mariano et al., 2015).
References
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- North subtropical
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- Eucharitid wasp Associate
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- Host of Galearia latreillei
- Host of Kapala sp. 1
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