pea aphid, acyrthosiphon pisum. a colony of wingless individuals and a winged female on a pea leaf

green leaf insect invertebrate animal flower nature plant arthropod grass petal beetle tree produce moth pisum acyrthosiphon nymph entomology invasion close-up danger control pesticide damaging pea nymphs crops pests plague insecticide pest insects aphids aphid garden bug outdoor biology macro wildlife summer micro parasite vermin aphidoidea agriculture gardening detail tiny background closeup lice greenfly natural pisum colony wingless individuals winged female