Pheidole hierax ^HNS new species

Types Mus. Comp. Zool. Harvard.

etymology Gr hierax ^HNS, hawk.

Diagnosis Close to pugnax ^HNS, and also somewhat less similar to the species listed in the heading, distinguished as follows. Major: dark yellow; rugoreticulum absent on head; all of posterior dorsal surface of head foveolate and opaque, but posterior lateral surface smooth and shiny; carinulae along midline of head extends halfway between eye level and occiput; transverse carinulae present on anterior edge bf pronotal dorsum; all of mesosoma and waist foveolate; all of central strip of first gastral tergite shagreened; pronotal dorsum in dorsal-oblique view subangulate, not bilobous; a few long, sparse hairs present on dorsal surface of head, but mesosoma almost completely bare; propodeal spiracle elliptical.

Minor: head, mesosoma, and waist completely foveolate and almost bare of pilosity; anterior half of first gastral tergite shagreened; anterior propodeal face drops precipitously to metanotum in dorsal-oblique view.

Measurements (mm) Holotype major: HW 1.04, HL 1.04, SL 0.68, EL 0.18, PW 0.58.

Paratype minor: HW 0.54, HL 0.60, SL 0.68, EL 0.12, PW 0.38.

color Major and minor: dark yellow.

Range Known only from the type locality.

Biology Unknown.

Figure Upper: holotype, major. Lower: paratype, minor. PANAMA: Barro Colorado Island (Diana E. Wheeler). Scale bars = 1 mm.