plant louse

/plænt laʊs/

Other forms: plant lice

Definitions of plant louse

1. noun

   any of several small insects especially aphids that feed by sucking the juices from plants
   synonyms: louse

   types:

   aphid

   any of various small plant-sucking insects

   adelgid

   any of various insects that feed and form galls on conifers

   Phylloxera vitifoleae, grape louse, grape phylloxera

   destructive to various grape plants

   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

   Aphis pomi, apple aphid, green apple aphid

   bright green aphid; feeds on and causes curling of apple leaves

   Aphis fabae, bean aphid, blackfly

   blackish aphid that infests e.g. beans and sugar beets

   greenfly

   greenish aphid; pest on garden and crop plants

   ant cow

   excretes a honeylike substance eaten by ants

   woolly aphid, woolly plant louse

   secretes a waxy substance like a mass of fine curly white cotton or woolly threads

   Adelges piceae, balsam woolly aphid

   a variety of adelgid

   Adelges abietis, spruce gall aphid

   a variety of adelgid

   Pineus pinifoliae, pine leaf aphid

   a variety of adelgid

   woolly adelgid

   an insect that feeds on hemlocks; its egg sacs are small fuzzy white balls like artificial snow on a Christmas tree

   type of:

   homopteran, homopterous insect

   insects having membranous forewings and hind wings