Pheidole xanthogaster

The four type minors were collected from the floor of forest transitional between terra firme of higher ground and seasonally flooded forest. (Wilson 2003)

Identification
See the description in the nomenclature section.

Distribution
Only known from the type locality.

This taxon was described from Peru.

Castes
Known only from minors.

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.



'''Figure. Holotype, minor, with paratype propodeum depicted above. Scale bars = 1 mm.'''

Type Locality Information
PERU: Cuzco Amazónico, 15 km northeast of Puerto Maldonado, Madre de Dios, col. Stefan Cover and John E. Tobin.

Etymology
Gr xanthogaster, yellow stomach, referring to the gaster.