asian woolly hackberry aphid, shivaphis celti

aphid aphididae aphids asian blackfly celti celtis chinese colony control cycle damage destructive development dusty entomology environment fauna female garden generation gray green greenfly hackberry hemiptera immature infests insects leaf lice life macro mature natural nature nymph oviparous parasite parthenogenesis pest plant reproduction shivaphis small stalk sucking viviparous wax waxy whitefly widely wildlife woolly