Epilachna varivestis vs ladybug

Epilachna varivestis and ladybug both are nouns.

Word	Noun	Adjective	Verb	Adverb
Epilachna varivestis	Yes	No	No	No
ladybug	Yes	No	No	No

As nouns, ladybug is a hypernym of Epilachna varivestis; that is, ladybug is a word with a broader meaning than Epilachna varivestis:

Epilachna varivestis: introduced into the United States from Mexico; feeds on the foliage of the bean plant
ladybug: small round bright-colored and spotted beetle that usually feeds on aphids and other insect pests

Other hypernyms of Epilachna varivestis include lady beetle, ladybeetle, ladybird, ladybird beetle.

Epilachna varivestis (noun)	ladybug (noun)
introduced into the United States from Mexico; feeds on the foliage of the bean plant	small round bright-colored and spotted beetle that usually feeds on aphids and other insect pests