Strumigenys mandibularis

Identification
Bolton (2000) - A member of the mandibularis complex in the Strumigenys emarginata  group. Only Strumigenys godmani approaches the size of mandibularis within the mandibularis-complex. The two are easily separated as the former lacks gastral sculpture and has the postpetiole disc markedly longer than broad.

Distribution based on Regional Taxon Lists
Neotropical Region: Brazil.

Nomenclature

 *  mandibularis. Strumigenys mandibularis Smith, F. 1860c: 72, pl. 4, figs. 6, 8, 10 (q., not w.; see Mayr, 1887: 574) BRAZIL. Senior synonym of batesi: Brown, 1953d: 53. See also: Donisthorpe, 1948h: 78; Bolton, 2000: 535.
 * batesi. Strumigenys batesi Forel, 1911e: 264 (w.) BRAZIL. Junior synonym of mandibularis: Brown, 1953d: 53.

Worker
Bolton (2000) - HL 1.22, HW 1.23, CI 101, SL 0.67, SI 54, PW 0.64, AL 1.30 (measurements of a single damaged worker with mandibles missing; MI ca 40 by approximation from a queen). Characters of mandibularis-complex. Very large, broad headed species (see measurements). Pronotal dorsum more or less flat, bluntly marginate dorsolaterally. Mesonotum anterolaterally raised into a pair of broad, bluntly triangular prominences, the dorsum shallowly concave between them and almost vertical behind them. All dorsal surfaces of head, alitrunk and waist segments sharply densely reticulate-punctate. First gastral tergite blanketed with very fine dense longitudinal striolate sculpture. First gastral sternite with similar but less strongly defined sculpture. Disc of postpetiole about 1.24 X broader than long (maximum length 0.34, maximum width 0.42).

Type Material
Bolton (2000) - Lectotype queen (designated by Brown, 1962b: 2 8) [workers excluded from type-series by Mayr, 1887: 574), BRAZIL: Sao Paulo [examined].