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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 lowland tropical rain forest, 3 times found in tropical wet forest, 2 times found in montane wet forest, 2 times found in rainforest, 1 times found in pine-liquidambar forest, 1 times found in STR 2050, 0 times found in Tropical hardwood forest, 1 times found in 2nd growth veg., 0 times found in Tropical rain forest, 1 times found in 2º tropical rainforest, ...
Found most commonly in these microhabitats: 5 times Malaise trap, 2 times stray foragers, 2 times on low vegetation, 1 times foragers on ground, 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 hand collecting, 3 times Search, 3 times beating, 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, 356 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