About Ctenucha virginica Esper, 1794
This species is scientifically named Ctenucha virginica Esper, 1794. Morphologically, adults have a wingspan between 40–50 millimetres (1.6–2.0 inches). Wing color ranges from black to olive brown, the body is metallic blue green, and the head is yellow orange with feathery antennae. Mature caterpillars reach around 20–25 mm in length, and have multiple tufts of white and yellow hair. Metamorphosis occurs between May and August. The species is originally endemic to eastern North America, where it occurs from Newfoundland south to Virginia. Per records from the University of Alberta, the species has expanded its range westward over the last 60 years, and now reaches as far west as the Canadian Rockies, being found in all Canadian provinces. Larval host plants include a variety of species such as various grasses, irises, and sedges. Adult Ctenucha virginica drink nectar from flowers that includes goldenrod.
