Pogonomyrmex texanus

This ant nests in the soil, with the entrance hole surrounded by a small (10 - 15 cm diameter) mound.

Identification
Key to North American Pogonomyrmex

Workers of this species can be recognized as being large ants (total length greater than 9 mm), which lack propodeal spines. The anterior border of the clypeus is concave, but not to the extent of the clypeus of Pogonomyrmex apache. The rugae on the dorsum of the head are fine, nearly parallel, directed straight back to the posterior margin, the posterior lateral corner is smooth and shining. (Mackay and Mackay 2002)

Distribution based on Regional Taxon Lists
Nearctic Region: United States. Neotropical Region: Mexico.

Habitat
Rocky areas within the Chihuahuan Desert.

Nomenclature

 *  texanus. Pogonomyrmex (Pogonomyrmex) texanus Francke & Merickel, 1982: 375, figs. 4, 7, 8, 11, 13, 14, 16 (w.m.) U.S.A. Taber, 1988: 244 (q.).