Pheidole brunnescens ^HNS Santschi, new status

Pheidole bruchi var. brunnescens ^HNS Santschi 1929d: 285.

Types Naturhist. Mus. Basel.

Etymology ML brunnescens ^HNS, dusky, brown.

diagnosis Similar in various ways to balzani ^HNS, exarata ^HNS, excubitor ^HNS, fabricator ^HNS, germaini ^HNS, hispaniolae ^HNS, nigella ^HNS, prattorum ^HNS, sabina ^HNS, sarpedon ^HNS, tristis ^HNS, tristops ^HNS, and unicornis ^HNS, distinguished as follows.

Major: pronotal dorsum longitudinally carinulate, with carinulae near midline straight and those near margin curving; head in full-face view subrectangular, the posterior half of dorsal face smooth and shiny and anterior half carinulate; humerus in dorsaloblique view low and rounded; postpetiole from above diamond-shaped. Minor: unknown.

Measurements (mm) Holotype major: HW 1.56, HL 1.70, SL 0.80, EL 0.20, PW 0.92.

color Major: body light reddish brown, mandibles medium reddish brown, other appendages yellow.

Range Known only from the type series.

Biology Unknown.

Figure Unique holotype, major. BRAZIL: Rio Negro, Parana. (Minor unknown.) Scale bar = 1 mm.