Pheidole hedlundorum

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

This species is only known from type specimens. The type series was collected from leaf litter in wet montane forest. (Wilson 2003)


See the description in the nomenclature section.

Keys including this Species


Only known from the type locality.

Latitudinal Distribution Pattern

Latitudinal Range: 10.06687° to 10.06687°.

Tropical South

Distribution based on Regional Taxon Lists

Neotropical Region: Venezuela (type locality).

Distribution based on AntMaps


Distribution based on AntWeb specimens

Check data from AntWeb

Countries Occupied

Number of countries occupied by this species based on AntWiki Regional Taxon Lists. In general, fewer countries occupied indicates a narrower range, while more countries indicates a more widespread species.


Estimated Abundance

Relative abundance based on number of AntMaps records per species (this species within the purple bar). Fewer records (to the left) indicates a less abundant/encountered species while more records (to the right) indicates more abundant/encountered species.



The following information is derived from Barry Bolton's Online Catalogue of the Ants of the World.

  • hedlundorum. Pheidole hedlundorum Wilson, 2003: 435, figs. (s.w.) VENEZUELA.

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


A large, medium reddish brown (major) or plain light brown (minor) member of the flavens group, with a mostly smooth, shiny body surface and dense, exceptionally long pilosity. Similar to lustrata, differing in the major in lighter body color, larger size, rounded humerus in dorsal-oblique view, presence of wavy hairs on the promesonotum; and less extensive foveolation on the mesopleuron and propodeum; and in the minor in the broader occiput in full-face view, more posterior position of the eye, round eye shape, and shorter scape length.

See also the less similar Pheidole browni, Pheidole chalca, Pheidole nitidicollis, Pheidole terresi, and species close to them listed in the diagnoses.

MEASUREMENTS (mm) Holotype major: HW 1.20, HL 1.20, SL 0.62, EL 0.14, PW 0.58. Paratype minor: HW 0.60, HL 0.62, SL 0.58, EL 0.10, PW 0.40.

COLOR Major: body rich medium reddish brown, appendages a lighter shade.

Minor: light brown, tarsi yellow.

Pheidole hedlundorum Wilson 2003.jpg

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

Type Material

VENEZUELA: Estado Aragua, Rancho Grande, 1100 m, col. William L. and Doris E. Brown. Museum of Comparative Zoology


Named in honor of Charles and Helen Marie Hedlund, in recognition of their outstanding contribution in service and support to tropical conservation, hence the habitats in which the Pheidole ants will continue to exist.


References based on Global Ant Biodiversity Informatics

  • Wilson E. O. 2003. Pheidole in the New World. A dominant, hyperdiverse ant genus. Cambridge, Mass.: Harvard University Press, [ix] + 794 pp.