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Guatemala to Colombia.
Atta colombica can be locally abundant in Costa Rica but does not have the ubiquity of A. cephalotes. It is common in the southern Pacific lowlands and I have also found it to be common around Volcan Arenal. I have not found it in other parts of Costa Rica where I have collected. Around Sirena in Corcovado National Park both A. colombica and A. cephalotes were abundant when I worked there in the early 1980's.
Atta colombica has conspicuous refuse dumps on the surface, where spent fungus substrate is deposited. These are often large conical mounds off to the side of the main soil mounds. Lines of workers can be seen carrying grayish white pellets from the nest and dropping them from a single high point, such that a regular conical mound forms below. This is in contrast to the behavior of A. cephalotes, which has subterranean refuse dumps.
The spelling of the name as "columbica" in Bolton's catalog is an error (Bolton, pers. com.).
Found most commonly in these habitats: 6 times found in rainforest, 3 times found in tropical rainforest, some big trees, 1 times found in road edge in wet forest, 2 times found in montane wet forest, in matrix of pasture and forest, probabl old 2nd growth, 2 times found in montane wet forest, near streams, 1 times found in farm, 1 times found in Secondgrowth forest edge and pasture, 1 times found in banana plantation, 1 times found in dry forest.
Found most commonly in these microhabitats: 5 times at bait, 3 times roadside, 1 times nest in soil, 2 times beating veg., 1 times under rock, 2 times in bush, 1 times ground forager(s), 1 times strays on vegetation, 1 times on mango, 1 times on ground, 1 times on Calathea lutea, ...
Collected most commonly using these methods: 5 times baiting, 4 times search, 2 times beating, 1 times hand collecting.
Elevations: collected from 10 - 950 meters, 275 meters average
Collect Date Range: collected between 1902-08-05 and 2015-07-13