Psylla

from WordNet (r) 3.0 (2006)

psylla
    n 1: small active cicada-like insect with hind legs adapted for
         leaping; feeds on plant juices [syn: {jumping plant louse},
         {psylla}, {psyllid}]

from The Collaborative International Dictionary of English v.0.48

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]

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