Name: Sandy B. Ford River Twp, Michigan UP (Zone 4b) (Zone 4b-maybe 5a)
I think the caterpillars are milkweed (Asclepias) specific, but the adults feed on all sorts of flowers... (could be wrong here, but I'm sure someone will set me straight if so )
“Think occasionally of the suffering of which you spare yourself the sight." ~ Albert Schweitzer C/F temp conversion