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Species: Ectatomma edentatum   Roger, 1863 

Download Data

Taxonomic History (provided by Barry Bolton, 2021)

Ectatomma edentatum Roger, 1863a PDF: 173 (w.) ARGENTINA (Buenos Aires). Neotropic. Primary type information: Type-material: holotype (?) worker. Type-locality: Argentina: La Plata (no collector’s name). Type-depository: MNHU. Type notes: No indication of number of specimens is given. AntCat AntWiki HOL

Taxonomic history

Combination in Ectatomma (Ectatomma): Mayr, 1887 PDF: 539.
Status as species: Roger, 1863b PDF: 17; Mayr, 1863a PDF: 459; Emery, 1888c PDF: 353; Dalla Torre, 1893 PDF: 24; von Jhering, 1894 PDF: 380; Emery, 1896h PDF: 625; Emery, 1906c PDF: 113; Emery, 1911e PDF: 43; Forel, 1912d PDF: 31; Santschi, 1912e PDF: 521; Bruch, 1914 PDF: 213; Bruch, 1915 PDF: 528; Santschi, 1916e PDF: 366; Gallardo, 1918c PDF: 35 (redescription); Luederwaldt, 1918 PDF: 34; Borgmeier, 1923: 56; Eidmann, 1936a PDF: 33; Kusnezov, 1953c PDF: 336; Kusnezov, 1957e PDF: 14 (in key); Brown, 1958g PDF: 208, 296; Kempf, 1972b PDF: 104; Kempf & Lenko, 1976 PDF: 50; Kugler & Brown, 1982: 4; Almeida Filho, 1987a PDF: 175; Zolessi et al., 1988: 2; Brandão, 1991 PDF: 341; Fernández, 1992: 554 (in key); Bolton, 1995b: 186; Wild, 2007b PDF: 26; Arias-Penna, 2008b PDF: 61; Bezděčková et al., 2015 PDF: 110; Feitosa, 2015c: 97; Feitosa & Prada-Achiardi, 2019 PDF: 665.
Material of the unavailable name Ectatomma edentatum muticum densestriata referred here by Brown, 1958g PDF: 208; Kempf, 1972b PDF: 104; Bolton, 1995b: 186.
// Distribution


  Geographic regions (According to curated Geolocale/Taxon lists):
    Americas: Argentina, Brazil, Costa Rica, French Guiana, Guyana, Panama, Paraguay, Peru, Uruguay, Venezuela
  Biogeographic regions (According to curated Bioregion/Taxon lists):

Distribution Notes:

Costa Rica south through tropical South America to Argentina (Kugler and Brown 1982). Costa Rica: southwestern lowlands and Osa Peninsula.


Brown, W. L., Jr. 1958. Contributions toward a reclassification of the Formicidae. II. Tribe Ectatommini (Hymenoptera). Bulletin of the Museum of Comparative Zoology 118:175-362.

Kugler, C., W. L. Brown, Jr. 1982. Revisionary and other studies on the ant genus Ectatomma, including the descriptions of two new species. Search: Agriculture (Cornell), No. 24, 8 pp.

Roger, J. 1863. Die neu aufgefuehrten Gattungen und Arten meines Formiciden-Verzeichnisses nebst Erganzung einiger frueher gegebenen Beschreibungen. Berl. Entomol. Z. 7:131-214.

Taxonomic Treatment (provided by Plazi)

Scientific Name Status Publication Pages ModsID GoogleMaps
Ectatomma edentatum   Wild, A. L., 2007, A catalogue of the ants of Paraguay (Hymenoptera: Formicidae)., Zootaxa 1622, pp. 1-55: 26, (download) 26 21367
Ectatomma edentatum nov. spec.  Roger, J., 1863, Die neu aufgeführten Gattungen und Arten meines Formiciden-Verzeichnisses, nebst Ergänzung einiger früher gegeben Beschreibungen., Berliner Entomologische Zeitschrift 7, pp. 131-214: 173, (download) 173 4101

Specimen Habitat Summary

Found most commonly in these habitats: 25 times found in Semideciduous seasonal forest, 2 times found in rainforest, 2 times found in Bamboo forest, 2 times found in Forest, 2 times found in tropical rainforest, 2 times found in wet forest, 2 times found in mature rainforest, 1 times found in mature rainforest, edge of forest near pasture and agricultural land, steep rocky terrain, 1 times found in mature rainforest, near pasture edge, small stream through forest, 1 times found in mature wet forest, ...

Found most commonly in these microhabitats: 5 times ex sifted leaf litter, 5 times at bait, 2 times ex sifted litter, 0 times Clearing, 1 times Ticoporo Forest Reserve. Dense second growth with few larger trees. Ex sifted le, 0 times Pasture, 1 times LeafLitter, 1 times general collecting, 1 times Foraging ants, 1 times forager, 1 times at sugar bait on ground, ...

Collected most commonly using these methods: 24 times epigaeic pitfall, 5 times winkler, 3 times search, 3 times miniWinkler, 3 times bait, 3 times direct collection, 2 times baiting, 0 times Berlesate of colonized litter bags (previously sterilized), 1 times berlese funnel, 1 times Hand, 1 times Hypogaeic pitfall, ...

Elevations: collected from 30 - 764 meters, 504 meters average

Collect Date Range: collected between 1981-01-04 and 2020-01-26

Type specimens: syntype of Ectatomma edentatum inversa: casent0915106; syntype of Ectatomma edentatum iris: casent0907177; syntype of Ectatomma edentatum macdonaghi: casent0907178; syntype of Ectatomma edentatum muticum densestriata: casent0907180; syntype of Ectatomma morgani: casent0907179

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