Pheidole gagates

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

At Cuzco Amazónico, Peru, Cover and Tobin found colonies nesting in small rotten tree branches lying in leaf litter on the floor of rainforest. (Wilson 2003)

Identification

See the description in the nomenclature section.

Keys including this Species

Distribution

Known from the type locality and from Yasuni National Park, Puerto Tipugini, Ecuador. (Wilson 2003)

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.

  • gagates. Pheidole gagates Wilson, 2003: 192, 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

Distinguished within the diligens group by the following set of traits.

Major: body concolorous blackish brown; pilosity extremely sparse, and completely absent from the mesosoma and waist; mesosomal convexity low, especially in dorsal-oblique view; postpetiolar node bell-shaped; patches of rugoreticulum present just mesad to the eyes; carinulae limited to lateral margins of the frontal lobes and sides of head anterior to the posterior margins of the eyes.

Minor: body concolorous blackish brown; occiput narrow, with nuchal collar; sculpturing very sparse, limited to circular carinae around the antennal fossae and patches of foveolation as illustrated.

See also Pheidole anima, Pheidole diligens, Pheidole mooreorum, Pheidole nubila, Pheidole piceonigra, Pheidole radoszkowskii, Pheidole stigma, Pheidole triconstricta, Pheidole venatrix and Pheidole zelata.

MEASUREMENTS (mm) Holotype major: HW 0.92, HL 0.96, SL 0.62, EL 0.16, PW 0.50. Paratype minor: HW 0.46, HL 0.56, SL 0.68, EL 0.12, PW 0.32.

COLOR See description above in Diagnosis.


Pheidole gagates 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

Gr gagates, jet (black), referring to the color of the workers.

References