Pheidole xanthogaster

AntWiki: The Ants --- Online
Jump to navigation Jump to search
Pheidole xanthogaster
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmicinae
Tribe: Attini
Genus: Pheidole
Species: P. xanthogaster
Binomial name
Pheidole xanthogaster
Wilson, 2003

The four type minors were collected from the floor of forest transitional between terra firme of higher ground and seasonally flooded forest. (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: Colombia, Ecuador, Peru (type locality).

Distribution based on AntMaps


Distribution based on AntWeb specimens

Check data from AntWeb



Known only from minors.


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

  • xanthogaster. Pheidole xanthogaster Wilson, 2003: 364, figs. (w.) PERU.

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


A species tentatively placed in the fallax group, of uncertain affinities, known only from the minor caste, and recognized formally here because of its strikingly distinctive bicolored body. It is further distinguished by the reduction of the propodeal spines to denticles and narrow occiput with a thin nuchal collar.

MEASUREMENTS (mm) Holotype minor: HW 0.66, HL 0.80, SL 0.96, EL 0.14, PW 0.44.

COLOR Minor: bicolored, with head, mesosoma, and waist light yellowish brown, and gaster clear medium yellow; mandibles and tarsi clear medium yellow; antennae and other leg parts yellowish brown.

Pheidole xanthogaster Wilson 2003.jpg

Figure. Holotype, minor, with paratype propodeum depicted above. 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


Gr xanthogaster, yellow stomach, referring to the gaster.