Gnamptogenys annulata

J. Longino (pers. comm.) reports from a nest midden chitinous fragments of Coleoptera, aradid bug nymphs, an unidentified male ant, and a Camponotus worker. An apparently recently killed Pheidole (cephalica?) queen was also found in a nest chamber. (Lattke 1995)

Identification
A member of the annulata complex (in the regularis subgroup of the mordax species group). Finely striate species; longitudinal striae on head, promesonotum and gastric segments 2 and 3; petiolar dorsum with transversely arched striae; mandibles subtriangular; metacoxal spine absent; body reddish brown; coxae ferruginous yellow; tibiae and femora yellow to testaceous but apically ferruginous yellow to ferruginous. The gauge of costulation can vary from striate to finely costulate, but coloration is fairly stable.(Lattke 1995)

Distribution based on Regional Taxon Lists
Neotropical Region: Bolivia, Brazil, Colombia, Costa Rica, Ecuador, French Guiana, Guyana, Honduras, Panama, Peru, Suriname, Venezuela.

Nomenclature

 *  annulata. Ectatomma (Gnamptogenys) rimulosa var. annulata Mayr, 1887: 543 (w.q.m.) BRAZIL. Combination in Gnamptogenys: Mann, 1922: 3. Raised to species: Emery, 1890b: 41. See also: Lattke, 1995: 157.