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Species: Gnamptogenys tornata   (Roger, 1861) 

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Note: Not a Valid Taxon Name

Current Valid Name:

Gnamptogenys sulcata

Taxonomic History (provided by Barry Bolton, 2023)

Ponera tornata Roger, 1861a PDF: 15 (w.q.m.) MEXICO (Veracruz). Neotropic. Primary type information: Type-material: 20 syntype workers, 3 syntype queens, 1 syntype male. Type-locality: Mexico: Veracruz (no collector’s name). Type-depository: MNHU. AntCat AntWiki HOL

Taxonomic history

Combination in Gnamptogenys: Roger, 1863a PDF: 174; Mayr, 1863a PDF: 422; Mann, 1922 PDF: 3.
Status as species: Mayr, 1863a PDF: 422; Roger, 1863b PDF: 19; Mayr, 1870b PDF: 964 (in key); Dalla Torre, 1893 PDF: 26; Emery, 1896g PDF: 46 (in key); Forel, 1899b PDF: 8; Forel, 1905e PDF: 156; Forel, 1909a PDF: 242; Emery, 1911e PDF: 45; Mann, 1922 PDF: 3; Brown, 1958g PDF: 229; Kempf, 1968b PDF: 378 (redescription); Kempf, 1972b PDF: 116; Lattke, 1990b PDF: 22; Bolton, 1995b: 211.
Junior synonym of Gnamptogenys sulcata: Lattke, 1995 PDF: 188.
// Distribution


  Geographic regions: Not found on any curated Geolocale/Taxon lists.

Distribution Notes:

Southern Mexico to Colombia (Brown 1958). Costa Rica: widespread in wet forest to 1200m.


This species inhabits lowland rainforest. It occurs in samples of sifted leaf litter from the forest floor, and has been observed nesting in a hollow stick in the leaf litter. The nest contained aradid bugs as prey. Colonies can be polygynous.


Promesonotal suture absent; scapes surpass margin of vertex when laid back; mandibles smoothly curving such that basal and apical margins form a continuous convexity; head yellowish to brown in color; mandibles dull yellow to brownish, usually lighter than cranial color, but not markedly contrasting with it; head and rest of body nearly concolorous; costulae often transverse across posterior face of propodeum; eyes relatively small (eye length = 0.25, width = 0.18, n=1 worker).


See Gnamptogenys sulcata.


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.

Lattke, J. E. 1995. Revision of the ant genus Gnamptogenys in the New World (Hymenoptera: Formicidae). Journal of Hymenoptera Research 4:137-193.

Roger, J. 1861. Die Ponera-artigen Ameisen. Berliner entomologische Zeitschrift 5:1-54.

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