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Pheidole gravida
| Pheidole gravida | |
|---|---|
| |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Hymenoptera |
| Family: | Formicidae |
| Subfamily: | Myrmicinae |
| Tribe: | Attini |
| Genus: | Pheidole |
| Species: | P. gravida |
| Binomial name | |
| Pheidole gravida Wilson, 2003
| |
Nothing is known about the biology of gravida.
Identification
See the description in the nomenclature section.
Keys including this Species
Distribution
Only known from the type locality.
Latitudinal Distribution Pattern
Latitudinal Range: 7.766944° to 7.766944°.
| 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. |
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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. |
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Biology
Castes
Images from AntWeb
   
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| Paratype Pheidole gravida. Worker (major/soldier). Specimen code jtlc000016393. Photographer Skyler Oswald, uploaded by University of Utah. | Owned by MCZC. |
Nomenclature
The following information is derived from Barry Bolton's Online Catalogue of the Ants of the World.
- gravida. Pheidole gravida Wilson, 2003: 701, 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 Similar in various respects to Pheidole incisa and Pheidole nasifera.
Major: yellow; center of midclypeus raised to a small point; frontal lobes extended slightly, and subangulate in side view; median ocellus or a small pit in ocellar location present, as shown; promesonotum massive, descending through a long, steep face to the metanotum; very faint antennal scrobe present; propodeal spines equilaterally triangular; postpetiolar node from above elliptical, 2X as broad as petiolar node.
Minor: humerus denticulate and mesonotal convexity subangulate in dorsal-oblique view; propodeal spines reduced to denticles; anterior pronotal fringe and propodeal dorsum carinulate.
MEASUREMENTS (mm) Holotype major: HW 1.46, HL 1.60, SL 0.62, EL 0.18, PW 0.86. Paratype minor: HW 0.66, HL 0.70, SL 0.64, EL 0.14, PW 0.44.
COLOR Major: reddish medium yellow.
Minor: plain medium yellow.
Figure. Upper: holotype, major. Lower: paratype, minor. Scale bars = 1 mm.
Type Material
VENEZUELA: San Cristobal-La Florida Road, LaBlanca to Mundo Nuevo, Táchira, 1100 m, col. J. Lattke and W. L. Brown. Museum of Comparative Zoology
Etymology
L gravida, laden, referring to the heavy-looking promesothorax.
References
- Wilson, E. O. 2003. Pheidole in the New World: A dominant, hyperdiverse ant genus. Harvard University Press, Cambridge, MA. (page 701, fig. major, minor described)
References based on Global Ant Biodiversity Informatics
- Fernández, F. and S. Sendoya. 2004. Lista de las hormigas neotropicales. Biota Colombiana Volume 5, Number 1.