Pheidole chrysops , Wilson, E. O., 2003

Wilson, E. O., 2003, Pheidole in the New World. A dominant, hyperdiverse ant genus., Cambridge, MA, USA: Harvard University Press, pp. -1--1: 180

publication ID

20017

persistent identifier

http://treatment.plazi.org/id/B1CEF016-4CA6-D0E8-3642-7E017EC53BC7

treatment provided by

Donat

scientific name

Pheidole chrysops
status

new species

Pheidole chrysops  HNS  new species

Types Mus. Comp. Zool. Harvard.

Etymology Gr chrysops  HNS  , like gold, referring to the dark yellow color of the major.

Diagnosis A small, yellow species tentatively placed in the diligens  HNS  group but with clear ties to some members of the fallax  group, i.e., aenescens  , bergi  , cordiceps  , and midas  , from which it is distinguished by the following set of traits.

Major: head heart-shaped, but with occipital angles in full-face view tending toward subangulate; propodeal spine short, equilaterally triangular; pronotal profde in dorsal-oblique view slightly bilobous; pilosity long and dense; head lacking rugoreticulum, and carinulae limited to anterior half of head with frontal lobes mostly bare.

Minor: occiput narrowed but lacking nuchal collar; in profile, mesonotum moderately convex.

Measurements (mm) Holotype major: HW 0.94, HL 0.96, SL 0.74, EL 0.18, PW 0.52.

Paratype minor: HW 0.46, HL 0.54, SL 0.66, EL 0.12, PW 0.34.

Color Major: concolorous dark ("golden") yellow.

Minor: clear medium yellow.

RANGE Known from the type locality and from a single series, nearly identical to the types, from Reserva Mbaracayii, Jejuimi, Dept. Canindeyu, Paraguay.

BIOLOGY The Paraguay colony was in a nest in leaf litter in "high forests" (Alex Wild).

Figure Upper: holotype, major. Lower: paratype, minor. BRAZIL: Taperinha, Santarem, Para (Robert L. Jeanne). Scale bars = 1 mm.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hymenoptera

Family

Formicidae

Genus

Pheidole