Dreamy Duskywing (Erynnis icelus)
Detailing the physical features, habits, territorial reach and other identifying qualities of the Dreamy Duskywing.
Updated: 5/22/2018; Authored By Staff Writer; Content ©www.InsectIdentification.org
The Dreamy Duskywing is a small, charming forest butterfly that may go unseen because it blends in so well with its woodland home.
Dreamy Duskywings are dark brown. Their forewings have a slight outward bend on the outer edge that a similar-looking relative, the larger Sleepy Duskywing, lacks. The underside of the forewings have ivory spots, which differ from most other Duskywings in that they are not transparent or glassy. On the top side of each forewing is a grayish band bordered in black. On the top of each hindwing are rows of light, ivory spots at the bottom edges which can be seen when the wings are spread flat. Look for flying adults near forest boundaries from late spring through early summer.
Larvae are fleshy, light green, and plump in the middle. The head is brown with two bulges at the back where the abdomen begins. These caterpillars feed on the leaves of willow, aspen, poplar, birch, and other trees. One brood is produced each year.