Pheidole walkeri

Wilson, E. O., 2003, Pheidole in the New World. A dominant, hyperdiverse ant genus., Cambridge, MA: Harvard University Press : 777

Pheidole walkeri Mann

Pheidole walkeri Mann 1922: 27.

Types Mus. Comp. Zool. Harvard.

Etymology Eponymous.

Diagnosis A very distinctive member of the tristis group, with clypeal structure in early stage of phragmosis. Major: lateral wings of clypeus projecting forward, creating a semi-phragmotic head; no hairs on clypeus, also an apparent semiphragmotic trait; frontal lobes projecting and subangulate in side view; carinulae originating in frontal lobes turn posteriorly outward to reach the sides of the head; rugoreticulum extends from eye to rear of antennal fossa on each side of head; margins of pronotum and dorsum of propodeum carinulate; postpetiole from above elliptical.

Minor: occiput narrowed slightly, nuchal collar absent; promesonotal dorsum semicircular in side view, subangulate in dorsal-oblique view; propodeal spines reduced to denticles.

Measurements (mm) Lectotype major: HW 1.26, HL 1.38, SL 0.64, EL 0.14, PW 0.68. Paralectotype minor: HW 0.54, HL 0.60, SL 0.56, EL 0.12, PW 0.34.

color Major: body medium reddish brown except for anterior half of head, which is dark reddish brown; appendages light reddish brown.

Minor: body medium reddish brown, appendages light reddish brown.

range Known only from the type locality.

Biology Unknown.

Figure Upper: lectotype, major. Lower: paralectotype, minor. HONDURAS: San Juan Pueblo. Scale bars = 1 mm.