Pheidole acamata

This species occurs in wet forest habitats from sea level to 1000m elevation. It can be locally abundant. It is an epigaeic forager, common at baits, and often recruiting major workers along with minor workers. Workers are also collected in Winkler or Berlese samples. The nest is unknown. (Longino 2009)

Identification
See the description in the nomenclature section.

Distribution
Nicaragua and Mexico (Chiapas).

Distribution based on Regional Taxon Lists
Neotropical Region: Guatemala, Honduras, Mexico, Nicaragua.

Nomenclature

 *  acamata. Pheidole acamata Wilson, 2003: 258, figs. (s.w.) NICARAGUA.

Description
A member of the fallax group, similar to Pheidole cielana, Pheidole cockerelli, Pheidole dione, Pheidole hyatti, Pheidole midas nd Pheidole potosiana, 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.



'''Figure. Upper: holotype, major. Lower: paratype, minor. Scale bars = 1 mm.'''

Type Locality Information
NICARAGUA: Kukra River, col. Ivette Perfecto.

Etymology
Gr acamata, untiring, ceaseless.