Pheidole claviscapa

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Pheidole claviscapa
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmicinae
Tribe: Attini
Genus: Pheidole
Species: P. claviscapa
Binomial name
Pheidole claviscapa
Santschi, 1925

Pheidole claviscapa casent0901478 p 1 high.jpg

Pheidole claviscapa casent0901478 d 1 high.jpg

Specimen Labels

The preferred habitat is evidently cerrado, the tropical savanna of central South America. (Wilson 2003)

Identification

See the description in the nomenclature section.

Keys including this Species

Distribution

From Wilson (2003): Recorded from Minas Gerais, Goiás, Mato Grosso, and Ceará by Kempf (1972b). I have seen in addition a series from Santa Cruz, eastern Bolivia, col. P. S. Ward.

Distribution based on Regional Taxon Lists

Neotropical Region: Bolivia, Brazil (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.

  • claviscapa. Pheidole claviscapa Santschi, 1925d: 224 (s.w.) BRAZIL. See also: Kempf, 1964e: 56; Wilson, 2003: 276.

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

Description

From Wilson (2003): One of the giant Neotropical species, comparable in size to Pheidole cephalica and Pheidole fimbriata of the tristis group (q.v.).

Major: very large, Head Width about 2.1 mm; antennal scape broadly swollen and flattened at base; space between eye and antennal fossa rugoreticulate; entire median strip of gaster shagreened.

Minor: head in full-face view elliptical in outline, with nuchal crest; entire head, except frontal triangle, and mesosoma and waist foveolate and opaque; anterior half of first gastral tergite shagreened.

MEASUREMENTS (mm) Major (Anápolis, Brazil): HW 2.10, HL 2.24, SL 1.20, EL 0.26, PW 1.04. Minor (Anápolis, Brazil): HW 0.80, HL 1.04, SL 1.36, EL 0.20, PW 0.62.

COLOR Major and minor: reddish yellow (“orange”) or reddish brown.


Pheidole claviscapa Wilson 2003.jpg

Figure. Upper: major; the antennal scape viewed edge-on is depicted next to the frontal view of the head; the upper of the two dorsal-oblique views is of a syntype major. Lower: minor. BRAZIL: Anápolis, Goiás, col. W. Kempf. Compared with syntypes. Scale bars = 1 mm.

Type Specimen Labels

Type Material

Brazil. Pirapora, Minas Gerais. Naturhistorisches Museum Basel - as reported in Wilson (2003)

Etymology

L Gr claviscapa, “club stem,” referring to the swollen and somewhat flattened base of the antennal scape. (Wilson 2003)

References

  • Kempf, W. W. 1964e. Miscellaneous studies on Neotropical ants. III. (Hymenoptera: Formicidae). Stud. Entomol. 7: 45-71 (page 56, see also)
  • Kempf, W. W. 1972b. Catálogo abreviado das formigas da região Neotropical. Stud. Entomol. 15: 3–344.
  • Santschi, F. 1925d. Nouveaux Formicides brésiliens et autres. Bull. Ann. Soc. Entomol. Belg. 65: 221-247 (page 224, soldier, worker described)
  • Wilson, E. O. 2003. Pheidole in the New World: A dominant, hyperdiverse ant genus. Harvard University Press, Cambridge, MA.(page 276, fig. major, minor described)