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Pheidole mittermeieriHNS new species

Types Mus. Comp. Zool. Harvard.

etymology Named after Russell A. Mittermeier, distinguished tropical biologist and conservationist.

Diagnosis Similar in various traits to the species listed above, differing as follows.

Major: almost all of dorsum of head, most of the sides of head, and almost all the mesosoma covered by carinulae; carinulae on anterior pronotal dorsum curve down and then along the lower pronotal margin; faint antennal scrobes present; in dorsal-oblique view, two denticles present on pronotal profde; in side view, petiolar node tapers to a point; postpetiole from above elliptical. Minor: most of dorsal and lateral surfaces of head, including occiput variously carinulate and rugulose; anterior third and dorsal margins of promesonotum rugulose to rugoreticulate; propodeal spines reduced to denticles. Measurements (mm) Holotype major: HW 1.14, HL 1.10, SL 0.70, EL 0.14, PW 0.52. Paratype minor: HW 0.60, HL 0.66, SL 0.66, EL 0.08, PW 0.46.

color Major: head, mesosoma, waist, and antennae light brown; gaster and legs dark yellow.

Range Known only from the type locality.

Biology The type series was collected in a savanna, from a termite mound. Winged queens were present in the nest 2 December.

Figure Upper: holotype, major. Lower: paratype, minor. BOLIVIA: Serena de Huanchaca, Las Gamas,

Parque Nacional Noel Kempff Mercado, Santa Cruz, 14A°48'S 60A°23 W, 700 m (Philip S. Ward). Scale bars = 1 mm.