This guide contains spiders, bees, wasps, ants, beetles, dragonflies, grasshoppers, flies and other bugs that can be found in the Denver-Boulder Metro Area, including Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas, and Jefferson Counties.
Armadillidium vulgare, the (common) pill-bug, (common) pill woodlouse, or roly poly, is a widespread European species of woodlouse. It is the most extensively investigated terrestrial isopod species.