Pheidole gilva

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

This species is only known from type specimens. The type colony was found in mature terra firme rainforest, nesting in a 8-cm-wide dead branch 3 m from the ground. (Wilson 2003)

Identification

See the description in the nomenclature section.

Keys including this Species

Distribution

Only known from the type locality.

Distribution based on Regional Taxon Lists

Neotropical Region: Ecuador, Peru (type locality).

Distribution based on AntMaps

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Distribution based on AntWeb specimens

Check data from AntWeb

Biology

Castes

Nomenclature

The following information is derived from Barry Bolton's New General Catalogue, a catalogue of the world's ants.

  • gilva. Pheidole gilva Wilson, 2003: 427, 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.

Description

Similar in various traits to Pheidole angulifera, Pheidole erratilis, Pheidole schmalzi and Pheidole viriosa. Differing as follows.

Major: yellow; humeri in dorsal-oblique view are a “sharkfin” shape, pointing forward, and from above extend just beyond the margins of the pronotum below; propodeal spines more than half as long as the propodeal basal face preceding them; postpetiole from above diamond-shaped; rugoreticulum fills space between each eye and adjacent antennal fossa, and rest of dorsal head surface mostly carinulate; most of dorsal head surface and all of mesosoma foveolate.

Minor: humeri acute-angular, each bearing a long seta at the tip; occiput narrowed, with a nuchal collar; all of head, mesosoma, and waist foveolate.

MEASUREMENTS (mm) Holotype major: HW 1.12, HL 1.10, SL 0.64, EL 0.14, PW 0.56. Paratype minor: HW 0.56, HL 0.62, SL 0.62, EL 0.08, PW 0.38.

COLOR Major: concolorous medium yellow.

Minor: concolorous pale yellow.


Pheidole gilva 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

Etymology

L gilva, pale yellow, alluding to color of minor.

References