psyl·la /ˈsɪlə/
Psyl·la n.; pl. Psyllæ Zool. Any leaping plant louse of the genus Psylla, or family Psyllidæ.
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psylla
n : small active cicada-like insect with hind legs adapted for
leaping; feeds on plant juices [syn: jumping plant louse,
psyllid]