Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
1. (Animals) another name for an aphid
2. (Animals) jumping plant louse any small active cicada-like insect of the homopterous family Psyllidae (or Chermidae), having hind legs adapted for leaping, and feeding on plant juices
a•phid(ˈeɪ fɪd, ˈæf ɪd)
any of numerous tiny soft-bodied insects of the family Aphididae that suck the sap from the stems and leaves of various plants. Also called plant louse.
[1880–85; back formation from aphides, pl. of aphis]
a•phid•i•an (əˈfɪd i ən) adj., n.
Switch to new thesaurus
|Noun||1.||plant louse - any of several small insects especially aphids that feed by sucking the juices from plants|
aphid - any of various small plant-sucking insects
adelgid - any of various insects that feed and form galls on conifers
jumping plant louse, psylla, psyllid - small active cicada-like insect with hind legs adapted for leaping; feeds on plant juices
oak blight - a black plant louse that lives on oaks and dogwoods