Pheidole sagax
Pheidole sagax | |
---|---|
Scientific classification | |
Kingdom: | Animalia |
Phylum: | Arthropoda |
Class: | Insecta |
Order: | Hymenoptera |
Family: | Formicidae |
Subfamily: | Myrmicinae |
Tribe: | Attini |
Genus: | Pheidole |
Species: | P. sagax |
Binomial name | |
Pheidole sagax Wilson, 2003 |
The type series was collected from a forested ravine. (Wilson 2003)
Contents
Identification
See the description in the nomenclature section.
Keys including this Species
Distribution
From Wilson (2003): Known from the type series and from Granada, Nicaragua, col. C. F. Baker.
Latitudinal Distribution Pattern
Latitudinal Range: 4.190329° to -4.1°.
North Temperate |
North Subtropical |
Tropical | South Subtropical |
South Temperate |
- Source: AntMaps
Distribution based on Regional Taxon Lists
Neotropical Region: Colombia (type locality), Ecuador, Nicaragua, Venezuela.
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.
- sagax. Pheidole sagax Wilson, 2003: 227, figs. (s.w.) COLOMBIA.
Unless otherwise noted the text for the remainder of this section is reported from the publication that includes the original description.
Description
A member of the diligens group, close to Pheidole diligens, Pheidole radoszkowskii, and allied species, distinguished as follows.
Major: yellow; in full-face view, profiles of occipital lobes form almost perfect semicircles; in dorsal-oblique view, humerus is subangulate and pronotum weakly bilobous; petiolar node broad, its apex in side view broadly rounded; all of head dorsum and mesosoma foveolate; gaster entirely smooth and shiny; profile of head in full-face view bare of pilosity, except for clypeus.
Minor: yellow; occiput slightly narrowed, with nuchal collar; most of posterior dorsal surface of head and all of gaster smooth and shiny.
MEASUREMENTS (mm) Holotype major: HW 1.14, HL 1.14, SL 0.76, EL 0.16, PW 0.54. Paratype minor: HW 0.54, HL 0.62, SL 0.70, EL 0.14, PW 0.36.
COLOR Major and minor: concolorous medium yellow.
Figure. Upper: holotype, major. Lower: paratype, minor. Scale bars = 1 mm.
Type Material
COLOMBIA: 5 km north of Villavicencio, Meta, col. William L. and Doris E. Brown. Museum of Comparative Zoology
Etymology
L sagax, referring to the globose occipital lobes.
References
- Wilson, E. O. 2003. Pheidole in the New World: A dominant, hyperdiverse ant genus. Harvard University Press, Cambridge, MA. (page 227, fig. major, minor described)
References based on Global Ant Biodiversity Informatics
- Mertl, A.L., K.T. Ryder Wilkie and J.F.A. Traniello. 2009. Impact of Flooding on the Species Richness, Density and Composition of Amazonian Litter-Nesting Ants. Biotropica 41(5):633-641
- Wilson, E.O. 2003. Pheidole in the New World: A Dominant, Hyperdiverse Genus. Harvard University Press