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Pheidole brunnescens
| Pheidole brunnescens | |
|---|---|
| |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Hymenoptera |
| Family: | Formicidae |
| Subfamily: | Myrmicinae |
| Tribe: | Attini |
| Genus: | Pheidole |
| Species: | P. brunnescens |
| Binomial name | |
| Pheidole brunnescens Santschi, 1929
| |
Nothing is known about the biology of brunnescens.
Identification
See the description in the nomenclature section.
Keys including this Species
Distribution
Only known from the type locality.
Latitudinal Distribution Pattern
Latitudinal Range: -20.753° to -20.753°.
| North Temperate |
North Subtropical |
Tropical | South Subtropical |
South Temperate |
- Source: AntMaps
Distribution based on Regional Taxon Lists
Neotropical Region: Brazil (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
Only known from the major.
Nomenclature
The following information is derived from Barry Bolton's Online Catalogue of the Ants of the World.
- brunnescens. Pheidole bruchi var. brunnescens Santschi, 1929d: 285 (s.) BRAZIL. Raised to species: Wilson, 2003: 669.
Unless otherwise noted the text for the remainder of this section is reported from the publication that includes the original description.
Description
From Wilson (2003): DIAGNOSIS Similar in various ways to Pheidole balzani, Pheidole exarata, Pheidole excubitor, Pheidole fabricator, Pheidole germaini, Pheidole hispaniolae, Pheidole nigella, Pheidole prattorum, Pheidole sabina, Pheidole sarpedon, Pheidole tristis, Pheidole tristops and Pheidole unicornis, distinguished as follows.
Major: pronotal dorsum longitudinally carinulate, with carinulae near midline straight and those near margin curving; head in full-face view subrectangular, the posterior half of dorsal face smooth and shiny and anterior half carinulate; humerus in dorsaloblique view low and rounded; postpetiole from above diamond-shaped.
Minor: unknown.
MEASUREMENTS (mm) Holotype major: HW 1.56, HL 1.70, SL 0.80, EL 0.20, PW 0.92.
COLOR Major: body light reddish brown, mandibles medium reddish brown, other appendages yellow.
Figure. Unique holotype, major. Scale bars = 1 mm.
Type Material
BRAZIL: Rio Negro, Paraná. Naturhistorisches Museum, Basel - as reported in Wilson (2003)
Etymology
ML brunnescens, dusky, brown. (Wilson 2003)
References
- Santschi, F. 1929d. Nouvelles fourmis de la République Argentine et du Brésil. An. Soc. Cient. Argent. 107: 273-316 (page 285, soldier described)
- Wilson, E. O. 2003. Pheidole in the New World: A dominant, hyperdiverse ant genus. Harvard University Press, Cambridge, MA. (page 669, Raised to species: new status, fig. major described)
References based on Global Ant Biodiversity Informatics
- Kempf, W.W. 1972. Catalago abreviado das formigas da regiao Neotropical (Hym. Formicidae) Studia Entomologica 15(1-4).