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.
Polyxenus lagurus, known as the bristly millipede is a species of millipede found in many areas of Europe and North America. It is covered with detachable bristles that have the ability to entangle ants and spiders that attack the animal.