plural noun
Psyl·​li·​dae | \ -ləˌdē \

Definition of Psyllidae

: a family of homopterous insects comprising the jumping plant lice and having long usually 10-jointed antennae, forewings that are thickened and often feathery, and the femora thickened and adapted for leaping

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History and Etymology for Psyllidae

New Latin, from Psylla, type genus + -idae

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psyllid yellows

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Cite this Entry

“Psyllidae.” Dictionary, Merriam-Webster, Accessed 18 Oct. 2021.

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