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|Forel, 1899B: 8 (q.m.).|
|Combination in Ectatomma (Gnamptogenys): Dalla Torre, 1893 PDF}: 26; Emery, 1896g PDF: 51; in Gnamptogenys: Mayr, 1886c PDF: 358; Brown, 1958g PDF}: 229.|
Mexico to tropical South America (Lattke 1995). Costa Rica: La Selva and Osa Peninsula.
This species inhabits lowland rainforest, and is known from isolated workers, usually encountered in fresh treefalls or Malaise traps. Relative to the morphologically similar G. tornata, it appears to be more arboreal. In contrast to G. tornata, G. sulcata is rarely collected in Winkler samples.
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.
Gentry, A. H. 1990. Herbarium taxonomy versus field knowledge; is there an attainable solution? Flora Malesiana Bulletin Special Volume 1:31-35.
Lattke, J. E. 1995. Revision of the ant genus Gnamptogenys in the New World (Hymenoptera: Formicidae). Journal of Hymenoptera Research 4:137-193.
Smith, F. 1858. Catalogue of hymenopterous insects in the British Museum. VI. Formicidae. 216pp., 14 pls.
Central, Guairá, Misiones, Pte. Hayes (ALWC, IFML, INBP).
Found most commonly in these habitats: 3 times found in tropical wet forest, 2 times found in lowland tropical rain forest, 2 times found in montane wet forest, 2 times found in rainforest, 1 times found in 2º tropical rainforest, 1 times found in tropical rainforest, 1 times found in cerrado, 1 times found in tropical rainforest, 2nd growth, some big trees, 1 times found in Humid chaco, 1 times found in in rainforest, ...
Found most commonly in these microhabitats: 5 times Malaise trap, 2 times stray foragers, 2 times on low vegetation, 2 times beating vegetation, 1 times Primary forest and second growth habitats; diurnal strays., 1 times Pasture, fencerows, stream edge with a few tall trees. Strays., 1 times ground forager(s), 1 times Foraging ants, 1 times beating veg..
Collected most commonly using these methods: 7 times Malaise, 3 times beating, 2 times hand collecting, 3 times Search, 1 times Berlese, decaying palm fruit stalk & sub-litter on ground, 1 times Flight intercept pan trap, 0 times on garden path.
Elevations: collected from 5 - 1260 meters, 380 meters average
Type specimens: syntype of Ectatomma sulcatum cearensis: casent0907190; syntype of Gnamptogenys lineata: casent0915918; syntype of Gnamptogenys sulcata: casent0900550; syntype of Ponera tornata: casent0915919; type of Ponera tornata: focol0880, focol0881, focol0882