The Monarch Butterfly: International Traveler

abdomen adult alar gland alar tagging amplexicaulis antennae attached band Batesian Mimicry birds body fluid breeding areas breeding grounds bursa button cage California cells chitinous clusters color common milkweed cremaster deposit eggs elongated emerge exaltata fall migration feeding female flight flowers front wings gold spots hairs incarnata insects instar islands larva larval skin leaf legs Lesser Antilles located loci male megalippe membrane mesothoracic metathorax Mexico microscope migrants migratory migratory routes milkweed leaves milkweed plants monarch butterflies mountain move nectar nerve Norah North America observations occur overnight roosting overwintering sites oviduct ovipositing pair period pigmented PLATE plexippus pollinium predators proboscis pupa purpurascens quadrifolia rearing recaptured region removed resemble result roosting trees scales silk mat southward species of butterflies species of milkweed specimens speciosa spermatophore spiracle substance surface syriaca temperatures terflies termed tion tube tuberosa variegata various verticillata viceroy butterflies viridiflora wind