psyllid /ˈsɪlɪd/ noun1 •Any of the host-specific plant-feeding insects of the family Psyllidae, which feed on plant juices.Psyllids, sometimes called 'suckers', may either be regarded as constituting a single large family (sensu stricto) of about 2000 species, or else about eight closely related families (sensu lato). — 1987 formspsyllids
