root aphid, aphidounguis mali

animal invertebrate insect green nature leaf arthropod wildlife beetle flower pest fly amphibian spider weevil root aphid aphidounguis mali hemiptera: aphididae slippery elm ulmus rubra aphids blackfly colony control cycle damage destructive development entomology environment fauna female garden generation grass greenfly hemiptera immature insects leaf lice life macro mature natural nymph oviparous parasite parthenogenesis pest plant reproduction sexual small stalk sucking viviparous whitefly wing winged wingless root aphidounguis mali leaves slippery elm ulmus rubra