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Pheidole laticornisHNS new species

Types Mus. Comp. Zool. Harvard.

etymology L laticornisHNS, broad-horned, referring to the basally widened scape.

Diagnosis A member of the diligensHNS group close to coffeicolaHNS and vafraHNS and differing from that species and other diligensHNS group members by the following combination of traits.

Major: scape broadened at the base, wider there than near the apex; head dark yellow, with brown spot on vertex; propodeal spines reduced to denticles.

Minor: propodeal spines reduced to denticles; occiput narrowed, with nuchal collar. Other traits as illustrated.

measurements (mm) Holotype major: HW 1.02, HL 1.08, SL 0.76, EL 0.18, PW 0.58. Paratype minor: HW 0.48, HL 0.60, SL 0.76, EL 0.14, PW 0.34.

color Major: body and head dark yellow, with fuzzy, circular brown spot on vertex, except for gaster, which is yellowish brown. Minor: mesosoma, petiole, and appendages dark yellow; head, postpetiole, and gaster yellowish to plain light brown.

range Known from the type locality and from Agua Caliente and Cartago, Costa Rica.

Biology Unknown.

figure Upper: holotype, major. Lower: paratype, minor. COSTA RICA: Palmar, Puntarenas (E. O. Wilson). Scale bars = 1 mm.