Formica aserva is a wide-ranging Formica of northern biomes. A member of the socially-parasitic Formica sanguinea species group, this species is atypical in that mature colonies rarely raid other species of Formica for pupae to augment the colony workforce. The specific epithet "aserva", which roughly translates to "lacking slaves," makes reference to this distinctive characteristic. F. aserva has an expansive range, from Alaska to Labrodor, throughout the boreal forest, and south through the Rocky Mts. at higher elevations to Arizona, and in the east at high elevations into the Appalachians. Colonies are normally found in rotting wood or under rocks in forest (Ellison et al., 2012). In Maryland, it is likely that this species is restricted to boreal habitats, probably mostly in Garrett Co.
There is 1 record in the project database.
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