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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, 4 times found in rainforest, 3 times found in tropical wet forest, 2 times found in rainforest edge, 2 times found in montane wet forest, 1 times found in Pasture, fencerows, stream edge with a few tall trees, 1 times found in tropical rainforest, 2nd growth, some big trees, 1 times found in pine-liquidambar forest, 1 times found in Plateau, 1 times found in wet forest, ...
Found most commonly in these microhabitats: 5 times Malaise trap, 4 times on low vegetation, 2 times stray foragers, 1 times foragers on ground, 2 times beating vegetation, 1 times on garden path, 1 times nest in rot pocket at base of live tree, 1 times Leaf litter, 1 times ground foragers, 1 times ground forager(s), 1 times Foraging ants, ...
Collected most commonly using these methods: 7 times Malaise, 3 times hand collecting, 3 times Search, 3 times beating, 2 times direct collection, 1 times Winkler, 1 times Winkler48h, 1 times beating vegetation (1 hour), 1 times beating vegetation (15 minutes), 1 times Berlese, 1 times Flight intercept pan trap, ...
Elevations: collected from 5 - 1260 meters, 408 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