bean beetle vs Mexican bean beetle

bean beetle and Mexican bean beetle both are nouns.

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

As nouns, bean beetle and Mexican bean beetle are synonyms defined as:

bean beetle and Mexican bean beetle: introduced into the United States from Mexico; feeds on the foliage of the bean plant

Other synonyms of bean beetle include Epilachna varivestis.

bean beetle (noun)	Mexican bean beetle (noun)
introduced into the United States from Mexico; feeds on the foliage of the bean plant	introduced into the United States from Mexico; feeds on the foliage of the bean plant