Pheidole arboricola

AntWiki: The Ants --- Online
Pheidole arboricola
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmicinae
Tribe: Attini
Genus: Pheidole
Species: P. arboricola
Binomial name
Pheidole arboricola
Wilson, 2003

Pheidole arboricola inbiocri001218031 p 1 high.jpg

Pheidole arboricola inbiocri001218031 d 1 high.jpg

Specimen Labels

Arboricola is a resident of moist mature and second-growth forest, nesting in the hollow branches and under the dead bark variously of Bauhinia, Cecropia, Stryphnodendron, and other trees. (Longino 1997).


See the description in the nomenclature section.

Keys including this Species


Atlantic lowlands of Costa Rica, up to 500 meters elevation. (Wilson 2003)

Latitudinal Distribution Pattern

Latitudinal Range: 10.33333° to 10.33333°.

Tropical South

Distribution based on Regional Taxon Lists

Neotropical Region: Costa Rica (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.





Images from AntWeb

Pheidole arboricola casent0610092 h 1 high.jpgPheidole arboricola casent0610092 p 1 high.jpgPheidole arboricola casent0610092 d 1 high.jpgPheidole arboricola casent0610092 p 2 high.jpgPheidole arboricola casent0610092 l 1 high.jpg
Paratype Pheidole arboricolaWorker. Specimen code casent0610092. Photographer J. Russ, uploaded by California Academy of Sciences. Owned by JTLC.


Images from AntWeb

Pheidole arboricola inbiocri001218129 h 2 high.jpg
Specimen code inbiocri001218129. .


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

  • arboricola. Pheidole arboricola Wilson, 2003: 372, figs. (s.w.) COSTA RICA.

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


A very small species, close to Pheidole amazonica, Pheidole mackayi, Pheidole minutula and especially Pheidole quercicola distinguished in the major from these species by its subangulate (as opposed to lobate) humerus in dorsal-oblique view, rounded lateral borders of the postpetiole, and bicolorous head.

MEASUREMENTS (mm) Holotype major: HW 0.76, HL 0.84, SL 0.40, EL 0.06, PW 0.40. Paratype minor: HW 0.42, HL 0.46, SL 0.40, EL 0.06, PW 0.26.

COLOR Major: head capsule anterior to eyes, along with a fuzzy circular spot in the middle of the capsule dorsum, light brown. Waist and gaster also light brown; rest of body and appendages dark yellow.

Minor: body medium brown, tarsi yellow, rest of appendages light brown.

Pheidole arboricola Wilson 2003.jpg

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

Type Material

COSTA RICA: La Selva Biological Station, near Puerto Viejo, J. T. Longino. Instituto Nacional de Biodiversidad


L arboricola, tree-dwelling, alluding to the arboricolous nests of the species.