Pheidole hizemops, Wilson, E. O., 2003

Wilson, E. O., 2003, Pheidole in the New World. A dominant, hyperdiverse ant genus., Cambridge, MA: Harvard University Press : 437

Pheidole hizemops new species

Types Mus. Comp. Zool. Harvard.Gr hizema, sinking, and ops, eye.

Diagnosis A small species sharing some traits, especially a moderately prominent mesonotal convexity, with kuna , micon , tayrona , and tenebra of Mexico, Central America, and Colombia, and less so with breviseta , bruchella , and lignicola of Argentina and southern Brazil, but differing in details of sculpturing as shown, and especially in the eye of the major, which is placed farther forward on the head and has a concave posterior border.

Measurements (mm) Holotype major: HW 0.70, HL 0.76, SL 0.44, EL 0.14, PW 0.44. Paratype minor: HW 0.50, HL 0.54, SL 0.42, EL 0.10, PW 0.32.

Color Major: waist and gaster light brown; rest of body and appendages reddish yellow ("orange"), with tarsi medium yellow. Minor: reddish yellow ("orange").

range Mountain forests of west-central Costa Rica, 1300-1600 m (Longino 1997).

Biology Specimens, some at baits, were recovered from leaf litter in montane rainforest.

figure Upper: holotype, major. Lower: paratype, minor. COSTA RICA: 2.5 km northwest of Santa Elena, Puntarenas Province, 10A°20TSf 84A°50'W, 1500 m (R. Burtoft). Scale bars = 1 mm.