dung beetle vs scarabaean

dung beetle and scarabaean both are nouns.

Word	Noun	Adjective	Verb	Adverb
dung beetle	Yes	No	No	No
scarabaean	Yes	No	No	No

As nouns, scarabaean is a hypernym of dung beetle; that is, scarabaean is a word with a broader meaning than dung beetle:

dung beetle: any of numerous beetles that roll balls of dung on which they feed and in which they lay eggs
scarabaean: any of numerous species of stout-bodied beetles having heads with horny spikes

Other hypernyms of dung beetle include scarabaeid, scarabaeid beetle.

dung beetle (noun)	scarabaean (noun)
any of numerous beetles that roll balls of dung on which they feed and in which they lay eggs	any of numerous species of stout-bodied beetles having heads with horny spikes