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Costa Rica (upper elevations of Cordillera Central and Cordillera de Tilaran; type locality is "La Palma," near Bajo la Hondura).
This species occurs in cloud forest and montane wet forest habitats. It is arboreal, nesting under epiphyte mats in the canopy. Colonies can be large.
|Pheidole diana||Wilson, E. O., 2003, Pheidole in the New World. A dominant, hyperdiverse ant genus., Cambridge, MA: Harvard University Press: 187, (download)||187||20017|
|Pheidole diana||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: 51-52, (download)||51-52||4014|
Found most commonly in these habitats: 42 times found in montane wet forest, 25 times found in cloud forest edge, 10 times found in cloud forest, 7 times found in wet forest, 2 times found in cloud forest branchfall, 4 times found in primary cloud forest, 2 times found in edge of cloud forest and pasture, forest old secondary or disturbed primary, some big trees on rock piles, 1 times found in secondary cloud forest, 1 times found in wet forest edge, 1 times found in along main road through cloud forest and pasture.
Found most commonly in these microhabitats: 25 times ex relict tree in pasture, 3 times nest under epiphytes, 5 times ex canopy tree, 1 times nest in epiphyte mat, 3 times pan trap, 1 times Cloud forest. Nest in epiphyte mat on fallen branch. Bullpen., 1 times under moss mat, 1 times under epiphytes in canopy, 2 times under epiphytes, 2 times Malaise trap, 1 times ex pan trap, ...
Collected most commonly using these methods: 30 times fogging, 33 times Malaise, 16 times search, 4 times Pan Trap, 5 times flight intercept trap, 2 times beating, 1 times Malaise trap, 1 times sweep, 1 times baiting, 1 times Foggin.
Elevations: collected from 500 - 2000 meters, 1359 meters average