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Costa Rica south to Amazonian Brazil. Costa Rica: southern and central Pacific lowlands.
From MacKay 1993:
Nests are found under bark of trees, especially Leuhea sp. and Bombacopsis sp. (Swain, 1977), and are frequently found in arboreal termitaries of Nasutitermes ephratae (Wheeler, 1936; Lattke, 1986; Swain, 1977). They also nest in Cattleya. This species is common along rivers in Costa Rica; one nest had 1000+ workers, 168 males, 28 alate females and one dealate female (Swain, 1977). Colonies may be polydomic (Swain, 1977). Workers are nocturnal and forage in the canopy of the tropical forest. This species is not aggressive and does not have the "tapinoma" odor of many of the other species in the genus.[MacKay Literature Cited]
To this I can add very little. I know the species only from scattered workers, usually in treefalls, from Corcovado National Park, Carara Biological Reserve, and just below Guacimal on the road to Monteverde.
Found most commonly in these habitats: 1 times found in scrub forest, 2 times found in lowland rainforest, 2 times found in rainforest, 1 times found in roadside vegetation, 1 times found in tropical wet forest, 1 times found in wet forest.
Found most commonly in these microhabitats: 1 times general collecting, 1 times strays, 1 times recent treefall, 1 times on tree-fall, 1 times on low vegetation, 1 times mercury vapor lamp, 1 times in fresh treefall, 1 times Cattleya trianac.
Collected most commonly using these methods: 3 times search, 1 times blacklight.
Elevations: collected from 10 - 300 meters, 89 meters average