Cetonia aurata vs scarabaean

Cetonia aurata and scarabaean both are nouns.

Word	Noun	Adjective	Verb	Adverb
Cetonia aurata	Yes	No	No	No
scarabaean	Yes	No	No	No

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

Cetonia aurata: 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 Cetonia aurata include scarabaeid, scarabaeid beetle.

Cetonia aurata (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