Strumigenys dolichognatha

Known from two collections, the type material and a second collection from a forest litter sample.

Identification
Bolton (2000) - A member of the cordovensis complex in the Strumigenys mandibularis-group. The relative position of the distal preapical mandibular dentition is diagnostic of dolichognatha within the cordovensis-complex.

Distribution based on Regional Taxon Lists
Neotropical Region: Brazil, Colombia, Ecuador, Guyana.

Nomenclature

 *  dolichognatha. Strumigenys (Strumigenys) cordovensis subsp. dolichognatha Weber, 1934a: 40 (w.m.) GUYANA. Raised to species: Brown, 1958c: 223. See also: Bolton, 2000: 534.

Worker
Bolton (2000) - TL 3.7-4.8, HL 0.80-1.07, HW 0.60-0.87, CI 75-81, ML 0.96-1.34, MI 118-125, SL 0.62-0.90, SI 103-112, PW 0.32-0.45, AL 0.72-0.92 (6 measured). Characters of cordovensis-complex. Distal preapical tooth of mandible closer to proximal preapical tooth than to apicodorsal tooth. In full-face view outer margins of mandibles strongly divergent anteriorly and sides of head behind eyes divergent posteriorly. Standing hairs on head and alitrunk sparse, stiff and simple, truncated or weakly expanded apically: one in apicoscrobal position; a pair on vertex close to occipital margin; one at pronotal humerus; absent from mesonotum. Petiole and postpetiole with elongate fine curved hairs. First gastral tergite with a few flagellate hairs, all confined to basal quarter of sclerite. Femoral gland bullae small and ovate, located at or proximal of midlength on middle and hind femora. Propodeal lamella with lower lobe longer narrower and more acute than upper lobe; the latter may be reduced to a tiny blunt triangle. Dorsum of petiole node reticulate-punctate. In profile lateral spongiform lobe of petiole extends forward on side almost to level of anterior face of node. Postpetiole disc traversed from front to back by spaced longiudinal costulae. Basigastral costulae in dorsal view sharply defined but short, longer than thickness of posterior spongiform collar of postpetiole but not as long as disc.

Type Material
Syntype workers and males, GUIANA: Kartabo, 25.vii.1920 (W. M. Wheeler) [examined].