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.

Latitudinal Distribution Pattern

Latitudinal Range: 10.991976° to 10.315406°.

Tropical South

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 Online Catalogue of the Ants of the World.

  • 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.


References based on Global Ant Biodiversity Informatics

  • Wilson E. O. 2003. Pheidole in the New World: A Dominant, Hyperdiverse Genus. Harvard University Press