leaf beetle vs chrysomelid

leaf beetle and chrysomelid both are nouns.

Word	Noun	Adjective	Verb	Adverb
leaf beetle	Yes	No	No	No
chrysomelid	Yes	No	No	No

As nouns, leaf beetle and chrysomelid are synonyms defined as:

leaf beetle and chrysomelid: brightly colored beetle that feeds on plant leaves; larvae infest roots and stems

leaf beetle (noun)	chrysomelid (noun)
brightly colored beetle that feeds on plant leaves; larvae infest roots and stems	brightly colored beetle that feeds on plant leaves; larvae infest roots and stems