Pheidole hasticeps ^HNS new species

Types Mus. Comp. Zool. Harvard.

Etymology L hasticeps ^HNS, spear-headed, referring to the major.

Diagnosis Closely similar to subarmata ^HNS, but differing by the following traits.

Major: larger and more darkly colored; pronotum bilobous; propodeal spines longer and thinner, postpetiolar nodal margins more sharply angulate; carinulae mesad to the eyes extend halfway to the occipital border.

Minor: larger and darker, otherwise nearly identical to subarmata ^HNS.

See also the less similar allarmata ^HNS, cramptoni ^HNS, synarmata ^HNS, and triplex ^HNS.

Measurements (mm) Holotype major: HW 1.20, HL 1.40, SL 0.60, EL 0.16, PW 0.64.

Paratype minor: HW 0.52, HL 0.54, SL 0.54, EL 0.10, PW 0.34.

Color Major: head and body dark brown, appendages light to medium brown.

Minor: head and body medium brown, appendages light brown.

Range Known only from the type locality.

Biology Unknown.

Figure Upper: holotype, major. Lower: paratype, minor. COSTA RICA: San Jose de la Montana, 10 km north of Heredia (Yvette Perfecto). Scale bars = 1 mm.