psylla

psyl=la

WORDNET DICTIONARY

psylla(n = noun.animal) jumping plant louse, psyllid - small active cicada-like insect with hind legs adapted for leaping; feeds on plant juices;

is a kind of louse, plant louse

is a member of chermidae, family chermidae, family psyllidae, psyllidae

psylla, n. [NL., from Gr. a flea.].

Any leaping plant louse of the genus Psylla, or family Psyllidæ. [1913 Webster]