Columbine Dusky Wing ( Erynnis lucilius ), a State Special Concern butterfly, is found in woodland habitat with wild columbine (Aquilegia canadensis), most often in rocky ravines, gullies, or woodland edge. It is also found in prairie habitat edged with oak woods. This species is bivoltine, their flight periods are the first three weeks of May and mid-July through early-August. Larvae live in leaf nests on the hostplant and mature larvae overwinter in the litter at the base of the plant.