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Costa Rica, Colombia. Costa Rica: Monteverde, La Selva Biological Station, Barva transect to 1100m, Corcovado.
This species occurs in wet forest habitats, from sea level to 1500m cloud forest. It occurs in both the canopy and on the ground. I have found nests under epiphytes, under dead wood on the ground, and in a cavity in a fern rhizome near the ground. Workers occur frequently in Winkler samples of sifted leaf litter and soil, both from the ground and from epiphytic material from the canopy. Nests are populous and there appears to be a distinct replete caste. A subset of workers have grossly distended gasters filled with clear liquid. One nest I observed contained at least two dealate queens, suggesting polygyny.
Found most commonly in these habitats: 39 times found in montane wet forest, 11 times found in cloud forest, 4 times found in primary cloud forest, 1 times found in moist forest, 3 times found in mature wet forest, 1 times found in pine oak scrubby forest, 1 times found in riparian mesophytic forest, 2 times found in secondary cloud forest, 2 times found in wet forest, 1 times found in wet oak pine forest, ...
Found most commonly in these microhabitats: 13 times Hojarasca, 9 times ex sifted leaf litter, 4 times ex sifted leaf litter from canopy, 6 times ex canopy tree, 3 times forest litter, 2 times bajo de M/07, 1 times wet for. leaf litter, brachymyrmex; populous nest under de times night collecting near blacklight #3. #3402, 1 times nest under bark, 1 times Hojarasca, second growth, vegetation only about 4m high, climbing steeply, 1 times ex sifted litter from forest floor, ...
Collected most commonly using these methods: 16 times Mini Winkler, 11 times Winkler, 13 times Malaise, 7 times Berlese, 6 times search, 7 times fogging, 5 times flight intercept trap, 3 times miniWinkler, 2 times maxiWinkler.
Elevations: collected from 5 - 1850 meters, 1130 meters average