Forelius keiferi

Distribution based on Regional Taxon Lists
Neotropical Region: Mexico.

Nomenclature

 *  keiferi. Forelius foetidus subsp. keiferi Wheeler, W.M. 1934f: 141 (w.q.m.) MEXICO. Subspecies of mccooki: Shattuck, 1994: 94. Raised to species: Cuezzo, 2000: 246.

Worker
Length 2.3-2.5 mm.

Differing from the typical form of faetidus from Texas in the following characters: Color somewhat deeper and more reddish, with the legs paler, yellowish, and the last gastric segment fuscous. Head broader behind, distinctly narrowed anteriorly, posterior border somewhat more excavated; antennal scapes and legs longer, the former reaching one-fourth their length beyond the posterior border (in the typical form only one-fifth); mesoepinotal impression in profile deeper and more acute, epinotum more convex, evenly rounded, without distinct base and declivity; superior border of petiolar scale with a much less acute median point; tibiae without fine oblique hairs.