Psylla

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Psylla \Psyl"la\, n.; pl. {Psyll[ae]}. [NL., from Gr. ? a flea.]
     (Zool.)
     Any leaping plant louse of the genus {Psylla}, or family
     {Psyllid[ae]}.
     [1913 Webster]



From WordNet (r) 2.0 [wn]:

  psylla
       n : small active cicada-like insect with hind legs adapted for
           leaping; feeds on plant juices [syn: {jumping plant louse},
            {psyllid}]