Pheidole in the New World. A dominant, hyperdiverse ant genus. Wilson, E. O. urn:lsid:biosci.ohio-state.edu:osuc_concepts:181714 Insecta Formicidae Pheidole CoL Animalia Pheidole acamata Wilson Pheidole acamata Wilson Hymenoptera 258 Arthropoda species acamata  Etymology Gr acamata, untiring, ceaseless.  diagnosis A member of the fallaxgroup, 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.