Strumigenys probatrix

Identification
Bolton (2000) - Differences separating this species from Strumigenys doryceps, the only other known member of the group, are tabulated in the identification section of this other ant.

Distribution based on Regional Taxon Lists
Neotropical Region: Costa Rica, Guatemala, Honduras, Mexico, Panama.

Nomenclature

 *  probatrix. Smithistruma probatrix Brown, 1964a: 186, pl. 16, fig. 3 (w.) MEXICO. Combination in Pyramica: Bolton, 1999: 1673; in Strumigenys: Baroni Urbani & De Andrade, 2007: 126. See also: Bolton, 2000: 212.

Worker
Bolton (2000) - TL 2.7-3.0, HL 0.67-0.82, HW 0.41-0.45, CI 55-61, ML 0.17-0.18, MI 22-25, SL 0.36-0.42, SI 88-93, PW 0.30-0.34, AL 0.72-0.88 (5 measured).

Antennal club segments long, combined length of funicular segments 4 and 5 ca 0.60, greater than the SL. Fourth (preapical) funicular segment somewhat swollen, broader than the apical antennomere and broader than the scape. Legs relatively long, hind femur 0.58-0.64; bullae of femoral and tibial glands conspicuous. Node of petiole in profile with length of dorsum greater than height of anterior face. Disc of postpetiole in dorsal view narrowly bordered with spongiform tissue on all sides. Margins of clypeus fringed with short spatulate hairs that are shallowly curved; clypeal dorsum with minute spatulate hairs. Dorsum of head with a single pair of long vertical flagellate hairs that arise just behind highest point of vertex. Cephalic dorsum and sides reticulate-punctate everywhere, the clypeus less strongly so than the remainder; small median tumulus of clypeus more or less smooth and clypeal margin anteromedially ending in a blunt poi nt. Dorsal alitrunk, declivity of propodeum and sides of alitrunk densely reticulate-punctate everywhere except for a smooth area on the katepisternum. Petiole and postpetiole reticulate-punctate, the latter sometimes with a small smooth area anteromedially and with traces of longitudinal organisation of sculpture centrally on disc. First gastral tergite highly polished and glassy smooth, basigastral costulae very short and restricted to extreme base of sc1erite.

Type Material
Bolton (2000) - Holotype worker, MEXICO: Chiapas, Ocosingo, 25.vi. 1950, Berlese funnel sample (c. & M. Goodnight & L. J. Stannard) [examined].