Pheidole acamata ^HNS new species

types Mus. Comp. Zool. Harvard.

Etymology Gr acamata ^HNS, untiring, ceaseless.

diagnosis A member of the fallax ^HNS group, similar to the species listed in the heading above, distinguished by the following combination of traits.

Major: small; yellow; dorsum of first gastral tergite covered by uniform layer of short, subappressed hairs; scape short of the occipital corner by twice its maximum width; a thin corridor of rugoreticulum extending from the eye to the circular carinulae of the antennal fossa; anterior dorsum of the pronotum rugoreticulate, with the rear of the pronotal dorsum bearing broken rugulae and the rest of the promesonotal dorsum shiny or subopaque.

Minor: all of the head, mesosoma, and waist foveolate and opaque; anterior half of the median strip of the first gastral tergite shagreened and opaque; occiput considerably narrowed but lacking a nuchal collar.

Measurements (mm) Holotype major: HW 0.98, HL 1.04, SL 0.76, EL 0.18, PW 0.52.

Paratype minor: HW 0.54, HL 0.60, SL 0.72, EL 0.12, PW 0.38.

Color Major: concolorous reddish yellow.

Minor: concolorous dark yellow.

Range Known only from the type series.

Biology Unknown.

Figure Upper: holotype, major. Lower: paratype, minor. NICARAGUA: Kukra River (Ivette Perfecto). Scale bars = 1 mm.