danaus plexippus n large migratory American butterfly having deep orange wings with black and white markings; the larvae feed on milkweed Synonym(s) monarch monarch butterfly milkweed butterfly Danaus plexippus
News & Articles danaus plexippus Meet the native: Swamp milkweed Recent dismal reports on the declining numbers of monarch butterfly (Danaus plexippus) colonies overwintering in Mexico and California this season... June 5, 2013 - The News-Press