psylla

[ sil-uh ]

noun

1. jumping plant louse.

Word History and Origins

Origin of psylla¹

< New Latin (1811) Psylla genus name < Greek psýlla flea

Example Sentences

The name of the plant louse that infests pear trees is the pear-tree psylla.

From Project Gutenberg

The psylla, while irregular in its outbreaks, is most damaging and hard to control when it appears.

From Project Gutenberg

Kieffer and related hybrids are somewhat immune to San Jose scale, but are very susceptible to psylla.

From Project Gutenberg

Other pests, as psylla, the scab-fungus, and codling-moth beset the pear and make profits uncertain.

From Project Gutenberg

The psylla is a minute, sucking insect, wingless in its immature stages, but winged and very active as an adult.

From Project Gutenberg