Ericaceae-host
Guides
Plebejus anna
Anna's blue
Plebejus anna, commonly known as Anna's blue, is a North American butterfly species in the family Lycaenidae. It was formerly considered conspecific with the northern blue (Plebejus idas) but is now recognized as a distinct species. The butterfly exhibits sexual dimorphism in wing coloration and is univoltine, with adults active during summer months.