IMG 2011-Aug07 at pr203 near Woodridge:  Milberts tortoiseshell butterfly (Aglais milberti) on Joe-Pye weed (Eupatorium purpureum)
2011-Aug07 at pr203 near Woodridge:  Milberts tortoiseshell butterfly (Aglais milberti) on Joe-Pye weed (Eupatorium purpureum)