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Natural History: More active and evidently diurnal than D. grandulus, D. smithi lives in larger colonies, often with multiple nests interconnected by active trails. These colonies may be formed by social parasitism, including colony founding by a queen D. smithi usurping the queen of a D. flavus colony, or by established colonies simply expanding into neighboring D. flavus nests, or indeed by colony fission. Foraging somewhat resembles that of the more populous Dolichoderus species.
Found most commonly in these habitats: 0 times found in scrub/dune habitat, 22 times found in nest in soil in foredunes, 14 times found in pine/oak sandhill habitat, 10 times found in xeric dune scrub, 8 times found in on dunes in Quercus harvardii and other veg., 7 times found in on sand dunes, 7 times found in pine/oak sandhill habitat, nest in sand, 6 times found in nest in sand, 6 times found in sandhill habitat, 6 times found in pine/oak dune woodland, ...
Found most commonly in these microhabitats: 3 times nest in soil, 2 times ground nest, 1 times MT in Salix goodingii, 1 times ground forager(s), 1 times colony in soil, 1 times at welcome station.
Collected most commonly using these methods: 0 times pitfall trap, 0 times bait trap, 7 times general collecting, 3 times direct collection, 1 times muggy, overcast mid-afternoon flight, 1 times Lindgren funnel, 1 times Malaise trap.
Elevations: collected from 80 - 1930 meters, 1072 meters average