jumping plant louse vs psylla

jumping plant louse and psylla both are nouns.

Word	Noun	Adjective	Verb	Adverb
jumping plant louse	Yes	No	No	No
psylla	Yes	No	No	No

As nouns, jumping plant louse and psylla are synonyms defined as:

jumping plant louse and psylla: small active cicada-like insect with hind legs adapted for leaping; feeds on plant juices

Other synonyms of jumping plant louse include psyllid.

jumping plant louse (noun)	psylla (noun)
small active cicada-like insect with hind legs adapted for leaping; feeds on plant juices	small active cicada-like insect with hind legs adapted for leaping; feeds on plant juices