figeater vs June bug

figeater and June bug both are nouns.

Word	Noun	Adjective	Verb	Adverb
figeater	Yes	No	No	No
June bug	Yes	No	No	No

As nouns, June bug is a hypernym of figeater; that is, June bug is a word with a broader meaning than figeater:

figeater: large greenish June beetle of southern United States
June bug: any of various large usually brown North American leaf-eating beetles common in late spring; the larvae feed on roots of grasses etc.

Other hypernyms of figeater include June beetle, May beetle, May bug.

figeater (noun)	June bug (noun)
large greenish June beetle of southern United States	any of various large usually brown North American leaf-eating beetles common in late spring; the larvae feed on roots of grasses etc.