Pheidole humeridens , 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: 301

publication ID

20017

persistent identifier

http://treatment.plazi.org/id/98F7E42F-85D3-A94A-2613-0382757FC324

treatment provided by

Donat

scientific name

Pheidole humeridens
status

new species

Pheidole humeridens  HNS  new species

Types Mus. Comp. Zool. Harvard.

etymology L humeridens  HNS  , shoulder-tooth.

Diagnosis A member of the fallax  HNS  group similar in various characters to the species listed above, differing as follows. Major: humerus dentate; rugoreticulum on sides of head extends to halfway between eyes and level of occiput; mid-occiput transversely carinulate; antennal scapes reach halfway between eyes and level of occiput; anterior edge of pronotum and all of propodeal dorsum transversely carinulate; in side view, propodeal spines short, vertical to basal propodeal face; from above, postpetiole oval.

Minor: bicolored (see below); humerus toothed; propodeal tooth small and thin; propodeal dorsum carinulate; occiput in full-face view flat.

Measurements (mm) Holotype major: HW 1.50, HL 1.56, SL 1.02, EL 0.26, PW 0.78. Paratype minor: HW 0.74, HL 0.80, SL 0.94, EL 0.20, PW 0.46.

COLOR Major: brownish yellow, with rear halves of gastral tergites changing to light brown..

Minor: bicolored, with head, gaster, and pronotal dorsum medium brown, and rest of body and appendages brownish yellow.

range Known only from the type locality.

Biology At the type locality humeridens  HNS  colonies occupied conspicuous mound nests in a heavily grazed pasture.

Figure Upper: holotype, major. Lower: paratype, minor. ARGENTINA: Buenos Aires (James C. Trager). Scale bars = 1 mm.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hymenoptera

Family

Formicidae

Genus

Pheidole