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Species: Pheidole biolleyi   Forel, 1908 

Download Data

Taxonomic History (provided by Barry Bolton, 2019)

Pheidole biolleyi Forel, 1908c PDF: 48 (s.w.q.m.) COSTA RICA. Neotropic. AntCat AntWiki HOL

Taxonomic history

Senior synonym of Pheidole tristani: Wilson, 2003A: 170.


  Geographic regions (According to curated Geolocale/Taxon lists):
    Americas: Costa Rica, Mexico
  Biogeographic regions (According to curated Bioregion/Taxon lists):

Distribution Notes:

Costa Rica: Central Valley near Cartago, Monteverde.


Natural History:

biolleyi inhabits cloud forest. Nests are in the soil, below ground. Workers forage on the ground and in low vegetation.


The type locality of biolleyi is "Costa del Tablazo." From a gazetteer of Costa Rican place names there is a "Cerro Tablazo" at 9deg50'N 84deg02'W. This site is a few km SW of Cartago, at about 1500m.

Pheidole biolleyi tristani Forel 1908:50 has type locality Costa Rica and was synonymized under biolleyi by Wilson (2003). Wilson gives no details or justification for the synonymy, and we have not examined the types ourselves.


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

Taxonomic Treatment (provided by Plazi)

Scientific Name Status Publication Pages ModsID GoogleMaps
Pheidole biolleyi   Wilson, E. O., 2003, Pheidole in the New World. A dominant, hyperdiverse ant genus., Cambridge, MA: Harvard University Press: 170, (download) 170 20017
Pheidole biolleyi n. sp.  Forel, A., 1908, Fourmis de Costa-Rica, récoltées par M. Paul Biolley., Bulletin de la Societe Vaudoise des Sciences Naturelles 44, pp. 35-72: 48-50, (download) 48-50 4014

Specimen Habitat Summary

Found most commonly in these habitats: 19 times found in cloud forest, 7 times found in wet forest, 2 times found in evergreen forest, 5 times found in roadcut in cloud forest, 3 times found in 2nd growth cloud forest, 2 times found in montane wet forest, 1 times found in old landslide in cloud forest, 2 times found in mature moist forest, 1 times found in tropical rain forest.

Found most commonly in these microhabitats: 12 times at bait, 8 times ex sifted litter from forest floor, 7 times pan trap, 1 times Nest in ground, 1 times nest in clay bank, 3 times ex sifted leaf litter on ground, 2 times ex sifted leaf litter, 1 times ex pan trap, 2 times at ground bait, 1 times strays, 1 times ex sifted litter, ...

Collected most commonly using these methods: 15 times Winkler, 12 times bait, 8 times Pan Trap, 4 times search, 3 times baiting.

Elevations: collected from 335 - 1740 meters, 1460 meters average

Type specimens: Syntype Pheidole biolleyi: jtlc000014076, jtlc000014077, jtlc000014078, jtlc000014079; Syntype Pheidole tristani: jtlc000014072

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