Pheidole caracalla

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

Pheidole caracalla jtlc000016339 p 1 high.jpg

Pheidole caracalla jtlc000016339 d 1 high.jpg

Specimen Labels

This species is only known from a few collections. Winged queens were found in March at the type locality and in April in Yasuni National Park. (Wilson 2003)

Identification

See the description in the nomenclature section.

Keys including this Species

Distribution

Known only from the type locality and from Yasuni National Park, Puerto Tipugini, Ecuador, col. S. O’Donnell. (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

Worker

Minor

Major

Queen

Nomenclature

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

  • caracalla. Pheidole caracalla Wilson, 2003: 388, 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 breviscapa (=Pheidole perpusilla), Pheidole bruchella, Pheidole micon, Pheidole nana, Pheidole subreticulata and Pheidole tennantae, differing as follows. Major: reddish brown; pilosity thick and long, especially on mesosoma, waist, and gaster, where many hairs are 1.5X eye Length or longer; pronotum weakly bilobate in dorsal-oblique view; propodeal spines robust and moderately long; petiolar node in side view thick, its apex broad and rounded; postpetiole from above bell-shaped; a narrow band of rugoreticulum extends from eye to antennal fossa on each side; most of head carinulate, except for occiput, frontal triangle, and midclypeus; sides of propodeum carinulate. Minor: reddish yellow; pilosity dense and long; pronotum in dorsal-oblique view subangulate; petiolar node in side view thick, with broadly rounded apex; occiput slightly narrowed, with straight posterior margin.

MEASUREMENTS (mm) Holotype major: HW 0.90, HL 0.90, SL 0.44, EL 0.12, PW 0.46. Paratype minor: HW 0.52, HL 0.54, SL 0.46, EL 0.08, PW 0.32.

COLOR Major: light reddish brown except for gaster, which is dark brown. Minor: medium reddish yellow except for gaster, which is dark brown.


Pheidole caracalla Wilson 2003.jpg

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

Type Material

PERU: Tingo Maria, Huánaco, col. W. L. Brown and W. Sherbrooke. Museum of Comparative Zoology

Etymology

L caracalla, great coat with hood, referring to the dense, long pilosity.

References