Pheidole coracina, Wilson, E. O., 2003

Wilson, E. O., 2003, Pheidole in the New World. A dominant, hyperdiverse ant genus., Cambridge, MA: Harvard University Press : 151

Pheidole coracina new species

Types Mus. Comp. Zool. Harvard.

Etymology L coracina , raven-like, alluding to color of the minor worker.

Diagnosis A member of the crassicornis group characterized in the major by dense rugoreticula that stretch from each eye to the adjacent antennal fossa; bilobed dorsal-oblique profile of the pronotum; oval postpetiole from above; most of the prothorax and all of the mesothorax, propodeum, and waist foveolate and opaque; and a contrasting circular brown spot on the vertex.

Minor: blackish brown; pronotal profile bilobed in dorsal-oblique view; and all of body foveolate and opaque except venter of head, median half of the dorsal surface of the head, part of the promesonotum, and the gaster.

Measurements (mm) Holotype major: HW 1.20, HL 1.24, SL 0.68, EL 0.18, PW 0.60.

Paratype minor: HW 0.60, HL 0.66, SL 0.70, EL 0.14, PW 0.40.

Color Major: body light reddish brown except for gaster, which is plain medium brown, and a dark brown circular spot on the vertex.

Minor: concolorous blackish brown. Range Known only from the type series. Biology Unknown.

Figure Upper: holotype, major. Lower: paratype, minor. MEXICO: 19 km north of Estado Guanajuato, San Luis Potosi (William P. MacKay). Scale bars = 1 mm.