Pheidole obrima

Every Ant Tells a Story - And Scientists Explain Their Stories Here
Jump to navigation Jump to search
Pheidole obrima
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmicinae
Tribe: Attini
Genus: Pheidole
Species: P. obrima
Binomial name
Pheidole obrima
Wilson, 2003

Nothing is known about the biology of obrima.


See the description in the nomenclature section.

Keys including this Species


Only known from the type locality.

Distribution based on Regional Taxon Lists

Neotropical Region: Venezuela (type locality).

Distribution based on AntMaps


Distribution based on AntWeb specimens

Check data from AntWeb




The following information is derived from Barry Bolton's New General Catalogue, a catalogue of the world's ants.

  • obrima. Pheidole obrima Wilson, 2003: 729, figs. (s.w.) VENEZUELA.

Unless otherwise noted the text for the remainder of this section is reported from the publication that includes the original description.


DIAGNOSIS A large, brown member ofthe tristis group with yellow appendages, relatively short propodeal spines, bell-shaped postpetiolar node, prominent convex subpostpetiolar process, and overall weak sculpturing comprising scattered patches of carinulae and foveolae. Similar to Pheidole alpinensis, Pheidole excubitor, Pheidole exarata, Pheidole gaigei, Pheidole germaini, Pheidole godmani, Pheidole grandinodus, Pheidole rogeri, Pheidole severini, Pheidole stulta, Pheidole tristis and Pheidole zoster, differing in many details of body form, sculpturing, and pilosity, as illustrated, and in color.

MEASUREMENTS (mm) Holotype major: HW 1.68, HL 1.86, SL 0.84, EL 0.20, PW 0.82. Paratype minor: HW 0.70, HL 0.74, SL 0.74, EL 0.12, PW 0.46.

COLOR Major: body medium reddish yellow, appendages reddish yellow.

Minor: head medium brown, rest of body yellowish brown, appendages light yellowish brown to dark yellow.

Pheidole obrima Wilson 2003.jpg

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

Type Material

VENEZUELA: Rancho Grande, 1100 m, col. R. W. Poole. Museum of Comparative Zoology


Gr obrima, strong, mighty, alluding to large, robust bodies of both castes.