Pheidole obrima
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.
Identification
See the description in the nomenclature section.
Keys including this Species
Distribution
Only known from the type locality.
Latitudinal Distribution Pattern
Latitudinal Range: 10.06687° to 10.06687°.
North Temperate |
North Subtropical |
Tropical | South Subtropical |
South Temperate |
- Source: AntMaps
Distribution based on Regional Taxon Lists
Neotropical Region: Venezuela (type locality).
Distribution based on AntMaps
Distribution based on AntWeb specimens
Check data from AntWeb
Countries Occupied
Number of countries occupied by this species based on AntWiki Regional Taxon Lists. In general, fewer countries occupied indicates a narrower range, while more countries indicates a more widespread species. |
Estimated Abundance
Relative abundance based on number of AntMaps records per species (this species within the purple bar). Fewer records (to the left) indicates a less abundant/encountered species while more records (to the right) indicates more abundant/encountered species. |
Biology
Castes
Nomenclature
The following information is derived from Barry Bolton's Online Catalogue of the Ants of the World.
- 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.
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.
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
Etymology
Gr obrima, strong, mighty, alluding to large, robust bodies of both castes.
References
- Wilson, E. O. 2003. Pheidole in the New World: A dominant, hyperdiverse ant genus. Harvard University Press, Cambridge, MA. (page 729, fig. major, minor described)