rose beetle vs scarabaean

rose beetle and scarabaean both are nouns.

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

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

rose beetle: a common metallic green European beetle: larvae feed on plant roots and adults on leaves and flowers of e.g. roses
scarabaean: any of numerous species of stout-bodied beetles having heads with horny spikes

Other hypernyms of rose beetle include scarabaeid, scarabaeid beetle.

rose beetle (noun)	scarabaean (noun)
a common metallic green European beetle: larvae feed on plant roots and adults on leaves and flowers of e.g. roses	any of numerous species of stout-bodied beetles having heads with horny spikes