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Mexico to Costa Rica. Costa Rica: widespread in wet forest habitats, from sea level to 1000m elevation.
Costa Rican specimens show variation in color. Lowland specimens are smaller and more infuscated (upper images). Upland specimens more robust and more uniformly orange (lower images).
Found most commonly in these habitats: 4 times found in Port of entry, 2 times found in rainforest edge, 2 times found in forest/pasture edge, montane wet forest, 1 times found in lowland primary rainforest, 2 times found in lowland rainforest, 1 times found in mature rainforest, 1 times found in rainforest, 1 times found in Ecotone between pastures and low vegetation, mature wet forest, 1 times found in farm clearing, montane wet forest, 0 times found in Tropical rain forest, ...
Found most commonly in these microhabitats: 3 times in fresh treefall, 1 times strays in felled trees, 2 times in treefall, 2 times beating veg., 1 times on orchid plant, 1 times with ananas and Dracaena, 1 times Strays., 1 times on calophyllum, 1 times on branchfall, 1 times on black palm nuts, 1 times Malaise trap, ...
Collected most commonly using these methods: 10 times search, 3 times beating, 1 times Malaise, 1 times miniWinkler, 0 times On hardwood tree, 1 times Fogging.
Elevations: collected from 5 - 1240 meters, 441 meters average
Type specimens: syntype of Nesomyrmex pittieri: casent0908997