Pheidole tenuis

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

Collected from a slope covered by spiny bamboo (Guadua). (Wilson 2003)


See the description in the nomenclature section.

Keys including this Species


Known only from the type locality. (Wilson 2003)

Distribution based on Regional Taxon Lists

Neotropical Region: Colombia (type locality).

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.

  • tenuis. Pheidole tenuis Wilson, 2003: 238, 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.


A member of the diligens group similar to Pheidole calimana, Pheidole cataractae, Pheidole demeter, Pheidole machetula, Pheidole scimitara and Pheidole sicaria, distinguished as follows.

Major: scape just reaches occipital border; propodeal spines stout, one-fourth as long as basal propodeal face; postpetiolar node laterally angulate; lower mesopleuron and middle of propodeal side with short, broken rugulae; cephalic carinulae do not extend posteriorly beyond eye.

Minor: occiput narrowed but lacking nuchal collar; mesonotal convexity in side view very small and subangulate; genae lacking carinulae.

MEASUREMENTS (mm) Holotype major: HW 0.80, HL 0.80, SL 0.84, EL 0.12, PW 0.44. Paratype minor: HW 0.44, HL 0.52, SL 0.62, EL 0.10, PW 0.28.

COLOR Major: head bicolorous, with narrow strip on clypeus and genae yellowish brown, and remainder dark brown; body concolorous dark brown.

Minor: body blackish brown, appendages medium brown.

Pheidole tenuis Wilson 2003.jpg

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

Type Material

COLOMBIA: Finca Los Guadales, 10 km south of San José del Palmar, Rio Torito, Chocó, 760 m, col. Charles Kugler. Museum of Comparative Zoology


L tenuis, thin, referring to the body shape.