» "Aphid" is also the NATO reporting name for the Soviet/Russian Molniya R-60 air-to-air missile. Aphids, also known as plant lice, are small plant-feeding insects, members of the superfamily Aphidoidea. About 4,000 species of aphids are known, presently classified in 10 families, though historically there were many fewer, with most species included in the family Aphididae. Around 250 species are serious pests for agriculture and forestry as well as an annoyance for gardeners. They vary in siz… (More on Aphid)