Pheidole flavifrons

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Pheidole flavifrons
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmicinae
Tribe: Attini
Genus: Pheidole
Species: P. flavifrons
Binomial name
Pheidole flavifrons
Wilson, 2003

This species is only known from type specimens. The type series was taken from beneath the bark of a tree in a terra firme tree fall. (Wilson 2003)


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, Peru (type locality).

Distribution based on AntMaps


Distribution based on AntWeb specimens

Check data from AntWeb




The following information is derived from Barry Bolton's Online Catalogue of the Ants of the World.

  • flavifrons. Pheidole flavifrons Wilson, 2003: 422, figs. (s.w.) PERU.

Unless otherwise noted the text for the remainder of this section is reported from the publication that includes the original description.


A medium-sized, uniquely multicolored member of the flavens group, whose major has a prominent, subangular humerus and exclusively carinulate head, and the minor has a dentate humerus.

Most similar to Pheidole arhuaca of Colombia but with different color, and in the major a smooth (not foveolate) pronotal dorsum; and to Pheidole amazonica, differing in head sculpture and shape of humerus.

See also the less similar Pheidole minutula, Pheidole nitidicollis and Pheidole tenerescens, and other species listed as close to arhuaca (q.v.).

MEASUREMENTS (mm) Holotype major: HW 0.86, HL 0.92, SL 0.44, EL 0.10, PW 0.44. Paratype minor: HW 0.44, HL 0.48, SL 0.40, EL 0.08, PW 0.28.

COLOR Major: anterior half of head yellow, posterior half yellowish brown, with a dark brown circular spot in the center of the head capsule dorsum; body medium brown, mandibles and scape light brown, rest of appendages yellow.

Minor: body dark brown; appendages, clypeus, and anterior genal margins yellow.

Pheidole flavifrons Wilson 2003.jpg

Figure. Upper: holotype, major. Lower: paratype, minor. Scale bars = 1 mm.

Type Material

PERU: Cuzco Amazónico, 15 km northeast of Puerto Maldonado, Madre de Dios, col. Stefan Cover and John E. Tobin. Museum of Comparative Zoology


L flavifrons, yellow front, pertaining to the anterior half of the major’s head.


References based on Global Ant Biodiversity Informatics

  • Fernández, F. and S. Sendoya. 2004. Lista de las hormigas neotropicales. Biota Colombiana Volume 5, Number 1.