Pheidole brunnescens

Nothing is known about the biology of brunnescens.

Identification
See the description in the nomenclature section.

Distribution
Only known from the type locality.

Distribution based on Regional Taxon Lists
Neotropical Region: Brazil.

Castes
Only known from the major.

Nomenclature

 *  brunnescens. Pheidole bruchi var. brunnescens Santschi, 1929d: 285 (s.) BRAZIL. Raised to species: Wilson, 2003: 669.

Description
From Wilson (2003): DIAGNOSIS Similar in various ways to Pheidole balzani, Pheidole exarata, Pheidole excubitor, Pheidole fabricator, Pheidole germaini, Pheidole hispaniolae, Pheidole nigella, Pheidole prattorum, Pheidole sabina, Pheidole sarpedon, Pheidole tristis, Pheidole tristops and Pheidole unicornis, 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.



'''Figure. Unique holotype, major. Scale bars = 1 mm.'''

Type Material
BRAZIL: Rio Negro, Paraná. - as reported in Wilson (2003)

Etymology
ML brunnescens, dusky, brown. (Wilson 2003)

References based on Global Ant Biodiversity Informatics

 * Kempf, W.W. 1972. Catalago abreviado das formigas da regiao Neotropical (Hym. Formicidae) Studia Entomologica 15(1-4).