Callimorpha jacobeae vs arctiid

Callimorpha jacobeae and arctiid both are nouns.

Word	Noun	Adjective	Verb	Adverb
Callimorpha jacobeae	Yes	No	No	No
arctiid	Yes	No	No	No

As nouns, arctiid is a hypernym of Callimorpha jacobeae; that is, arctiid is a word with a broader meaning than Callimorpha jacobeae:

Callimorpha jacobeae: large red-and-black European moth; larvae feed on leaves of ragwort; introduced into United States to control ragwort
arctiid: stout-bodied broad-winged moth with conspicuously striped or spotted wings; larvae are hairy caterpillars

Other hypernyms of Callimorpha jacobeae include arctiid moth.

Callimorpha jacobeae (noun)	arctiid (noun)
large red-and-black European moth; larvae feed on leaves of ragwort; introduced into United States to control ragwort	stout-bodied broad-winged moth with conspicuously striped or spotted wings; larvae are hairy caterpillars