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Genus: Ectatomma   Smith, 1858 


Current Valid Name:

Taxonomic History (provided by Barry Bolton, 2023)

Extant: 15 valid species

Fossil: 1 valid species

Ectatomma Smith, 1858a PDF: 102. Type-species: Formica tuberculata, by subsequent designation of Bingham, 1903 PDF: 82. AntCat AntWiki

Taxonomic history

Ectatomma in Poneridae: Smith, 1858a PDF: 102; Smith, 1871b PDF: 324.
Ectatomma in Ponerinae: Mayr, 1862 PDF: 714 (in key) [Poneridae]; Mayr, 1865 PDF: 14 [Poneridae]; Mayr, 1868b PDF: 75 [Poneridae]; Dalla Torre, 1893 PDF: 23 [Ponerinae]; Emery, 1896e PDF: 178 [Ponerinae].
Ectatomma as subgenus of Acanthoponera: Emery, 1895l PDF: 767.
[Note: Emery, 1895l PDF: 767, gives Acanthoponera as senior name, but Ectatomma has priority.]
Ectatomma as genus: all authors except Emery, 1895l PDF: 767.
Genus Ectatomma catalogues
Roger, 1863b PDF: 17; Mayr, 1863a PDF: 409; Dalla Torre, 1893 PDF: 23; Emery, 1911e PDF: 41; Smith, 1951c PDF: 783 (North America); Kempf, 1972b PDF: 104 (Neotropical); Smith, 1979: 1336 (North America); Brandão, 1991 PDF: 341; Bolton, 1995b: 186.
Genus Ectatomma references
Mayr, 1865 PDF: 14 (diagnosis); Mayr, 1867a PDF: 87 (diagnosis); Emery, 1911e PDF: 41 (diagnosis, subgenera key); Gallardo, 1918c PDF: 30 (Argentina species key); Kusnezov, 1957e PDF: 13 (partial key); Brown, 1958g PDF: 206 (review of genus, all species key); Kugler & Brown, 1982: 6 (all species key); Fernández, 1992: 551 (Colombia species key); Lattke, 1994 PDF: 109 (phylogeny); Bolton, 1995a PDF: 1049 (census); Arias-Penna, 2008b PDF: 56 (all species key); Baccaro et al., 2015 10.5281/zenodo.32912 PDF: 170 (genus in Brazil); Boudinot, 2015 PDF: 56 (male identification); Nettel-Hernanz et al., 2015 10.1007/s13127-015-0215-9 PDF: 543 (phylogeny, biogeography); Poteaux et al., 2015 PDF: 127 (genetic and phenotypic diversity); Cantone, 2017 PDF: 142 (brief male diagnosis); Feitosa & Prada-Achiardi, 2019 PDF: 665 (Colombia species key); Camacho et al., 2022 10.1093/isd/ixab026 PDF: 10 (diagnosis).

Taxon Page Images:

Ectatomma tuberculatum tending the extrafloral nectary of an Inga tree. Many plants provide nectar to ants in exchange for protection from herbivores. Gamboa, Panama.
Image © Alex Wild. // Distribution


  Geographic regions (According to curated Geolocale/Taxon lists):
    Americas: Argentina, Belize, Bolivia, Brazil, Colombia, Costa Rica, Ecuador, El Salvador, French Guiana, Galapagos Islands, Guadeloupe, Guatemala, Guyana, Honduras, Martinique, Mexico, Nicaragua, Panama, Paraguay, Peru, Saint Lucia, Suriname, Trinidad and Tobago, Uruguay, Venezuela
    Europe: Italy
  Biogeographic regions (According to curated Bioregion/Taxon lists):
  Native biogeographic regions (according to species list records):
    Nearctic, Neotropical

Taxonomic Treatment (provided by Plazi)

Scientific Name Status Publication Pages ModsID GoogleMaps
Ectatomma   Wheeler, W. M., 1923, Ants of the genera Myopias and Acanthoponera., Psyche 30, pp. 175-192: 186, (download) 186 3374
Ectatomma   Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London: British Museum, pp. -1--1: 102, (download) 102 8127
Ectatomma   Mayr, G., 1862, Myrmecologische Studien., Verhandlungen der Zoologisch-Botanischen Gesellschaft in Wien 12, pp. 649-776: 731, (download) 731 4445

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