colorado potato beetle sits on a potato bush

insect green invertebrate animal leaf flower plant nature arthropod produce beetle food wildlife pest colorado potato sits bush activity agriculture americas brindled bug chitin chrysomelid close-up closeup crop culture damaged decemlineata eating entomology farm field garden gardening greed indigenous insects jaws larva leptinotarsa macro mandibles mating north obsessive orange prejudicial prepared season single striped summer usa vermin weevil yellow bush cultivation concept