Mexican bean beetle vs Epilachna

Mexican bean beetle and Epilachna both are nouns.

Word	Noun	Adjective	Verb	Adverb
Mexican bean beetle	Yes	No	No	No
Epilachna	Yes	No	No	No

Mexican bean beetle (noun)	Epilachna (noun)
introduced into the United States from Mexico; feeds on the foliage of the bean plant	genus of ladybugs native to Mexico and Central America; both larvae and adults feed on plants