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Costa Rica: Central Valley near Cartago, Monteverde.
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
|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|
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