Pheidole mackayi , Wilson, E. O., 2003

Wilson, E. O., 2003, Pheidole in the New World. A dominant, hyperdiverse ant genus., Cambridge, MA: Harvard University Press, pp. -1--1: 448

publication ID

20017

persistent identifier

http://treatment.plazi.org/id/C2255062-F00C-58D1-9C5A-C5EF1325D5B6

treatment provided by

Donat

scientific name

Pheidole mackayi
status

new species

Pheidole mackayi  HNS  new species

Types Mus. Comp. Zool. Harvard.

Etymology Named after the collector and myrmecologist William P. MacKay.

Diagnosis Similar in various traits to cerina  HNS  , hizemops  HNS  , micon  HNS  , tachirana  HNS  , and tenebra  HNS  , differing as follows. Major: dark brown; in side view, premesonotal profile almost straight until it drops off posteriorly in a nearly vertical face to the metanotum; pronotum in dorsal-oblique view bilobous, and mesonotal convexity subangulate; eyes relatively large; propodeal spines curve backward; postpetiole from above diamond-shaped; posterior half of dorsal head surface smooth with widely scattered foveae. Minor: eye very large, almost circular, set well forward on head; propodeal spines reduced to denticles; occiput narrowed, its margin concave, lacking nuchal collar.

measurements (mm) Holotype major: HW 0.84, HL 0.86, SL 0.52, EL 0.12, PW 0.44.

Paratype minor: HW 0.40, HL 0.44, SL 0.36, EL 0.08, PW 0.24.

Color Major: body dark, almost blackish brown; appendages light brown.

Minor: body and antennae medium brown, legs yellow.

range Known only from the type locality.

Biology The type colony was collected at a bait in a cut and burned-over forest area.

figure Upper: holotype, major. Lower: paratype, minor. MEXICO: 24 km south of Cintalapa, Chiapas (William P. MacKay). Scale bars = 1 mm.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hymenoptera

Family

Formicidae

Genus

Pheidole