Pheidole davidsonae

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

Nothing is known about the biology of davidsonae.


See the description in the nomenclature section.

Keys including this Species


Only known from the type locality.

Distribution based on Regional Taxon Lists

Neotropical Region: Peru (type locality).

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.

  • davidsonae. Pheidole davidsonae Wilson, 2003: 185, figs. (s.w.) PERU.

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 in various characters to Pheidole coffeicola, Pheidole hoelldobleri, Pheidole insipida, Pheidole peregrina, Pheidole zelata, and especially Pheidole gagates, and distinguished as follows.

Major: head tricolorous (see Color below); antennal scapes thick and short, their tips touching the lateral margin of the head well short of half the distance from eye to occipital corner; propodeal spine straight, about one-third as long as the basal propodeal face; pronotum peaks at middle to form subangle; rugoreticulum present between eye and antennal fossa; carinulae on head do not extend beyond eye level more than half the Eye Length; in full-face view, concavity of occipital margin very broad.

Minor: occiput narrowed, with nuchal collar; pronotum smooth except for foveolate anterior rim; postpetiole from above bell-shaped.

MEASUREMENTS (mm) Holotype major: HW 1.06, HL 1.06, SL 0.64, EL 0.20, PW 0.56. Paratype minor: HW 0.48, HL 0.60, SL 0.70, EL 0.14, PW 0.34.

COLOR Major: head tricolorous, with clypeus yellow, head posterior to clypeus light brown, rest of head rich dark reddish brown; mesosoma and waist medium to dark reddish brown; gaster dark brown, tarsi yellow, and other appendages brownish yellow.

Minor: body medium brown; tarsi yellow; other appendages light brown.

Pheidole davidsonae Wilson 2003.jpg

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

Type Material

PERU: Cocha Cashu Research Station, Madre de Dios, 400 m, col. Diane W. Davidson. Museum of Comparative Zoology


Named after the collector and distinguished insect ecologist Diane W. Davidson.


References based on Global Ant Biodiversity Informatics

  • Bezdeckova K., P. Bedecka, and I. Machar. 2015. A checklist of the ants (Hymenoptera: Formicidae) of Peru. Zootaxa 4020 (1): 101–133.
  • Fernández, F. and S. Sendoya. 2004. Lista de las hormigas neotropicales. Biota Colombiana Volume 5, Number 1.