Pheidole dorsata

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

Pheidole dorsata casent0636781 p 1 high.jpg

Pheidole dorsata casent0636781 d 1 high.jpg

Specimen Labels

The type colony was found in a shaded coffee plantation. (Wilson 2003)


See the description in the nomenclature section.

Keys including this Species


Known from Columbia and Guyana.

Distribution based on Regional Taxon Lists

Neotropical Region: Colombia (type locality), Guyana.

Distribution based on AntMaps


Distribution based on AntWeb specimens

Check data from AntWeb




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

  • dorsata. Pheidole dorsata Wilson, 2003: 635, figs. (s.w.) COLOMBIA.

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


DIAGNOSIS A member of the tachigaliae group, characterized by 11-segmented antennae, and distinguished within it as follows.

Major: in side view, pronotal profile broken by a sharp obtuse angle; rugoreticula present mesad and laterad to eye; all of dorsum of head posterior to eye transversely carinulate except for antennal scrobes, which are smooth;humeri and anterior pronotal margin rugoreticulate; postpetiole from above very broad and narrowly elliptical in shape.

Minor: space between eyes and antennal fossae carinulate, foveolate, and opaque; rest of head smooth and shiny; in full-face view, a single, very long curving hair extends from each occipital corner; eye oval and set well forward on the head.

MEASUREMENTS (mm) Holotype major: HW 0.68, HL 0.74, SL 0.30, EL 0.08, PW 0.44. Paratype minor: HW 0.36, HL 0.40, SL 0.28, EL 0.06, PW 0.26.

COLOR Major: body light brown, appendages yellowish brown.

Minor: body medium brown, appendages brownish yellow.

Pheidole dorsata Wilson 2003.jpg

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

Type Material

COLOMBIA: Finca El Recreo, Magdalena, 850 m, col. Charles Kugler. Museum of Comparative Zoology


L dorsata, of a ridge or back of a hill, referring to the peaked pronotum of the major in side view.