a swallowtail butterfly catapillar on a tomato plant

animal arthropoda backyard benefitual butterfly butterly catapillar caterpillar climbs eastern feeding garden glaucus green insect insecta larva larval lepidoptera lifecycle michigan morph morphological ornithoptera papilio papilionid papilionidae papilionoidea plant pollenator season seasonal spring stage summer swallowtail tiger tomato usa warren yellow billspenglerphotography