Definition of psylla
: any of various plant lice (family Psyllidae) including economically important plant pests — compare pear psylla
Origin and Etymology of psylla
New Latin, genus name, from Greek, flea; akin to Latin pulex flea, Sanskrit pluṣi
First Known Use: 1852See Words from the same year
Seen and Heard
What made you want to look up psylla? Please tell us where you read or heard it (including the quote, if possible).