Pheidole crozieri, Wilson, E. O., 2003

Wilson, E. O., 2003, Pheidole in the New World. A dominant, hyperdiverse ant genus., Cambridge, MA, USA: Harvard University Press : 183

Pheidole crozieri new species

Types Mus. Comp. Zool. Harvard.

Etymology Named after the collector, the distinguished Australian myrmecologist Ross H. Crozier.

Diagnosis A light brown member of the diligens group, closest to williamsi of the Galapagos Islands but also with some similarities to vafella , as well as rufipilis and the mostly South American species listed with rufipilis (q.v.), differing from williamsi as follows. Major: light brown; pronotum in side view smoothly rounded, and single-lobed in dorsal-oblique view; occiput strongly concave; petiolar node high, its apex rounded.

Minor: petiolar node in side view high, and its dorsal border nearly flat in rear view. Measurements (mm) Holotype major: HW 1.10, HL 1.12, SL 0.74, EL 0.16, PW 0.54. Paratype minor: HW 0.50, HL 0.60, SL 0.66, EL 0.12, PW 0.32.

Color Major: body and most of head light brown; appendages and anterior third of head a slightly contrasting yellowish brown. Minor: body and most of head light brown; gena and appendages yellowish brown. Specimens from Lima in the Museum of Comparative Zoology are somewhat darker.

Range Known from the type locality, and from two other series taken in Lima, Peru.

Biology Unknown.

Figure Upper: holotype, major. Lower: paratype, minor. PERU: Chaclacayo, Lima (R. H. Crozier). Scale bars = 1 mm.