Pheidole angusticeps, Wilson, E. O., 2003

Wilson, E. O., 2003, Pheidole in the New World. A dominant, hyperdiverse ant genus., Cambridge, MA: Harvard University Press : 609

Pheidole angusticeps new species

TYPES Mus. Comp. Zool. Harvard.

Etymology L angusticeps , narrow-headed, with reference to the minor.

Diagnosis A member of the punctatissima group uniquely characterized by the elongate head of the minor; and by the bidentate hypostoma and dense, short, uniform, and subappressed gastral pilosity of the major. See also the sparse, paired mesosomal pilosity of the mesosoma in both major and minor.

Measurements (mm) Holotype major: HW 0.98, HL 1.08, SL 0.64, EL 0.18, PW 0.50. Paratype minor: HW 0.46, HL 0.60, SL 0.66, EL 0.14, PW 0.34. Color Major: yellow with faint reddish tint ("light orange"). Minor: concolorous medium yellow.

Range i have seen three nest series, all from Guanacaste Province, Costa Rica.

biology Unknown.

Figure Upper: holotype, major. Lower: paratype, minor. COSTA RICA: Isla San Jose, Islas Murciellagos, Santa Rosa National Park, Guanacaste (David Olson). Scale bars = 1 mm.