Paratrachymyrmex cornetzi

Paratrachymyrmex cornetzi
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Hymenoptera
Family:	Formicidae
Subfamily:	Myrmicinae
Tribe:	Attini
Genus:	Paratrachymyrmex
Species:	P. cornetzi
Binomial name
Paratrachymyrmex cornetzi (Forel, 1912) Specimen labels
Synonyms
Atta cornetzi naranjo Forel, 1912 Trachymyrmex annulatus Santschi, 1936 Trachymyrmex cornetzi bivittatus Wheeler, W.M., 1922 Trachymyrmex cornetzi brevispinosus Weber, 1945 Trachymyrmex cornetzi gatun Weber, 1940 Trachymyrmex uncifer Santschi, 1931

Distribution

Latitudinal Distribution Pattern

Latitudinal Range: 20.51222222° to -64.3°.

North Temperate	North Subtropical	Tropical	South Subtropical	South Temperate

• Source: AntMaps

Distribution based on Regional Taxon Lists

Neotropical Region: Colombia (type locality), Costa Rica, French Guiana, Guatemala, Guyana, Honduras, Mexico, Panama, Suriname, Trinidad and Tobago, Venezuela.

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

Explore Fungus Growing  For additional details see Fungus growing ants. A handful of ant species (approx. 275 out of the known 15,000 species) have developed the ability to cultivate fungus within their nests. In most species the fungus is used as the sole food source for the larvae and is an important resource for the adults as well. Additionally, in a limited number of cases, the fungus is used to construct part of the nest structure but is not as a food source. These fungus-feeding species are limited to North and South America, extending from the pine barrens of New Jersey, United States, in the north (Trachymyrmex septentrionalis) to the cold deserts in Argentina in the south (several species of Acromyrmex). Species that use fungi in nest construction are known from Europe and Africa (a few species in the genera Crematogaster, Lasius). The details of fungal cultivation are rich and complex. First, a wide variety of materials are used as substrate for fungus cultivating. The so-called lower genera include species that prefer dead vegetation, seeds, flowers, fruits, insect corpses, and feces, which are collected in the vicinity of their nests. The higher genera include non leaf-cutting species that collect mostly fallen leaflets, fruit, and flowers, as well as the leafcutters that collect fresh leaves from shrubs and trees. Second, while the majority of fungi that are farmed by fungus-feeding ants belong to the family Lepiotaceae, mostly the genera Leucoagaricus and Leucocoprinus, other fungi are also involved. Some species utilise fungi in the family Tricholomataceae while a few others cultivate yeast. The fungi used by the higher genera no longer produce spores. Their fungi produce nutritious and swollen hyphal tips (gongylidia) that grow in bundles called staphylae, to specifically feed the ants. Finally, colony size varies tremendously among these ants. Lower taxa mostly live in inconspicuous nests with 100–1000 individuals and relatively small fungus gardens. Higher taxa, in contrast, live in colonies made of 5–10 million ants that live and work within hundreds of interconnected fungus-bearing chambers in huge subterranean nests. Some colonies are so large, they can be seen from satellite photos, measuring up to 600 m3. Based on these habits, and taking phylogenetic information into consideration, these ants can be divided into six biologically distinct agricultural systems (with a list of genera involved in each category): Nest Construction A limited number of species that use fungi in the construction of their nests. some Crematogaster some Lasius Lower Agriculture Practiced by species in the majority of fungus-feeding genera, including those thought to retain more primitive features, which cultivate a wide range of fungal species in the tribe Leucocoprineae. some Apterostigma Cyatta (1 species) some Cyphomyrmex Kalathomyrmex (1 species) Mycocepurus (6 species) Myrmicocrypta (31 species) Mycetarotes (4 species) Mycetosoritis (2 species) Mycetophylax (21 species) Paramycetophylax (1 species) Xerolitor (1 species) Coral Fungus Agriculture Practiced by species in the Apterostigma pilosum species-group, which cultivate fungi within the Pterulaceae. some Apterostigma Yeast Agriculture Practiced by species within the Cyphomyrmex rimosus species-group, which cultivate a distinct clade of leucocoprineaceous fungi derived from the lower attine fungi. some Cyphomyrmex Generalized Higher Agriculture Practiced by species in several genera of non-leaf-cutting "higher attine" ants, which cultivate a distinct clade of leucocoprineaceous fungi separately derived from the lower attine fungi. Mycetomoellerius (31 species) Paratrachymyrmex (9 species) Sericomyrmex (11 species) Trachymyrmex (9 species) Leaf-Cutter Agriculture A subdivision of higher attine agriculture practiced by species within several ecologically dominant genera, which cultivate a single highly derived species of higher attine fungus. Acromyrmex (56 species) Amoimyrmex (3 species) Atta (20 species) Note that the farming habits of Mycetagroicus (4 species) are unknown. Also, while species of Pseudoatta (2 species) are closely related to the fungus-feeding genus Acromyrmex, they are social parasites, living in the nests of their hosts and are not actively involved in fungus growing. ‎

Castano-Meneses et al (2017) - The springtail species Cyphoderus similis Börner (Cyphoderidae: Cyphoderus) is known from nests of this ant.

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 fungus Ophiocordyceps australis (a parasitoid) (Quevillon, 2018) (encounter mode primary; direct transmission; transmission outside nest).

Nomenclature

The following information is derived from Barry Bolton's Online Catalogue of the Ants of the World.

• cornetzi. Atta (Trachymyrmex) cornetzi Forel, 1912e: 183 (w.q.) COLOMBIA.
  • Combination in Trachymyrmex: Gallardo, 1916b: 242.
  • Combination in Paratrachymyrmex: Solomon et al., 2019: 948.
  • Senior synonym of annulatus, bivittatus, brevispinosus, gatun, naranjo, uncifer: Weber, 1958b: 49.
• naranjo. Atta (Trachymyrmex) cornetzi var. naranjo Forel, 1912e: 185 (w.) COLOMBIA. Junior synonym of cornetzi: Weber, 1958b: 49.
• bivittatus. Trachymyrmex cornetzi var. bivittatus Wheeler, W.M. 1922c: 13 (w.) TRINIDAD. Subspecies of cornetzi: Weber, 1945: 54. Junior synonym of cornetzi: Weber, 1958b: 49.
• uncifer. Trachymyrmex uncifer Santschi, 1931c: 281, figs. 16, 17 (w.) PANAMA. Junior synonym of cornetzi: Weber, 1958b: 49.
• annulatus. Trachymyrmex annulatus Santschi, 1936b: 201, figs. 6-9 (w.) PANAMA. Junior synonym of cornetzi: Weber, 1958b: 49.
• gatun. Trachymyrmex cornetzi subsp. gatun Weber, 1940a: 420 (w.q.) PANAMA. Junior synonym of cornetzi: Weber, 1958b: 49.
• brevispinosus. Trachymyrmex cornetzi subsp. brevispinosus Weber, 1945: 55 (footnote) (w.) COLOMBIA. Junior synonym of cornetzi: Weber, 1958b: 49.

References

• Albuquerque, E., Prado, L., Andrade-Silva, J., Siqueira, E., Sampaio, K., Alves, D., Brandão, C., Andrade, P., Feitosa, R., Koch, E., Delabie, J., Fernandes, I., Baccaro, F., Souza, J., Almeida, R., Silva, R. 2021. Ants of the State of Pará, Brazil: a historical and comprehensive dataset of a key biodiversity hotspot in the Amazon Basin. Zootaxa 5001, 1–83 (doi:10.11646/zootaxa.5001.1.1).
• Castano-Meneses, G., J. G. Palacios-Vargas, J. H. C. Delabie, D. Zeppelini, and C. S. F. Mariano. 2017. Springtails (Collembola) associated with nests of fungus-growing ants (Formicidae: Myrmicinae: Attini) in southern Bahia, Brazil. Florida Entomologist. 100:740-742. doi:10.1653/024.100.0421
• Forel, A. 1912f. Formicides néotropiques. Part II. 3me sous-famille Myrmicinae Lep. (Attini, Dacetii, Cryptocerini). Mém. Soc. Entomol. Belg. 19: 179-209 (page 183, worker, queen described)
• Gallardo, A. 1916c. Notas acerca de la hormiga Trachymyrmex pruinosus Emery. An. Mus. Nac. Hist. Nat. B. Aires 28: 241-252 (page 242, Combination in Trachymyrmex)
• Mera-Rodríguez, D., Serna, F., Sosa-Calvo, J., Lattke, J., Rabeling, C. 2020. A checklist of the non-leaf-cutting fungus-growing ants (Hymenoptera, Formicidae) from Colombia, with new biogeographic records. Check List 16, 1205–1227 (doi:10.15560/16.5.1205).
• Solomon, S.E., Rabeling, C., Sosa-Calvo, J., Lopes, C.T., Rodrigues, A., Vasconcelos, H.L., Bacci Jr, M., Mueller, U.G., Schultz, T.R. 2019. The molecular phylogenetics of Trachymyrmex Forel ants and their fungal cultivars provide insights into the origin and coevolutionary history of ‘higher-attine’ ant agriculture. Systematic Entomology 44: 939-956 (doi:10.1111/syen.12370).
• Weber, N. A. 1958b. Nomenclatural changes in Trachymyrmex (Hym.: Formicidae). Entomol. News 69: 49-55 (page 49, senior synonym of annulatus, bivittatus, brevispinosus, gatun, naranjo, and uncifer)

References based on Global Ant Biodiversity Informatics

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