Pyralididae vs arthropod family

Pyralididae and arthropod family both are nouns.

Word	Noun	Adjective	Verb	Adverb
Pyralididae	Yes	No	No	No
arthropod family	Yes	No	No	No

As nouns, arthropod family is a hypernym of Pyralididae; that is, arthropod family is a word with a broader meaning than Pyralididae:

Pyralididae (noun)	arthropod family (noun)
bee moths; corn borers; flour moths	any of the arthropods