Glaucopsyche piasus, the arrowhead blue, is a western North American butterfly of the family Lycaenidae. It is a locally common butterfly that favors prairie, open woodland, and woodland edges and trails.
Larvae feed on lupine (Lupinus) and milkvetch (Astragalus) species.[2]
Glaucopsyche piasus, the arrowhead blue, is a western North American butterfly of the family Lycaenidae. It is a locally common butterfly that favors prairie, open woodland, and woodland edges and trails.
In Felder, 1864Larvae feed on lupine (Lupinus) and milkvetch (Astragalus) species.