Hairstreaks and Elfins
Appearance: Tailed. Below, brownish to dark gray. Outerside of post median band usually capped with white. Blue tail spot usually not capped with orange. Essentially an eastern species, but found uncommonly in Colorado foothills and mountains. Those found in Colorado tend to be more whitish gray below.
Size: Small; 15/16 to 1 3/16 inches
Habitat: Gambel oak and bur oak groves along stream courses
Season: June through early August; 1 brood
Larval Foodplant: Gambel and bur oak, and hickories
Did You Know…
There is a Rocky Mountain population isolated from the common and widespread Eastern population.
Species Gallery (click to enlarge)