Pheidole brunnescens

AntWiki: The Ants --- Online
Jump to navigation Jump to search
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

Pheidole brunnescens casent0913282 p 1 high.jpg

Pheidole brunnescens casent0913282 d 1 high.jpg

Specimen Labels

Nothing is known about the biology of brunnescens.


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: Brazil (type locality).

Distribution based on AntMaps


Distribution based on AntWeb specimens

Check data from AntWeb



Only known from the major.


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.


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.

Pheidole brunnescens Wilson 2003.jpg

Figure. Unique holotype, major. Scale bars = 1 mm.

Type Specimen Labels

Type Material

BRAZIL: Rio Negro, Paraná. Naturhistorisches Museum, Basel - as reported in Wilson (2003)


ML brunnescens, dusky, brown. (Wilson 2003)


  • 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).