Calliphora vicina vs blow fly

Calliphora vicina and blow fly both are nouns.

Word	Noun	Adjective	Verb	Adverb
Calliphora vicina	Yes	No	No	No
blow fly	Yes	No	No	No

As nouns, blow fly is a hypernym of Calliphora vicina; that is, blow fly is a word with a broader meaning than Calliphora vicina:

Calliphora vicina: blowfly with iridescent blue body; makes a loud buzzing noise in flight
blow fly: large usually hairy metallic blue or green fly; lays eggs in carrion or dung or wounds

Other hypernyms of Calliphora vicina include blowfly.

Calliphora vicina (noun)	blow fly (noun)
blowfly with iridescent blue body; makes a loud buzzing noise in flight	large usually hairy metallic blue or green fly; lays eggs in carrion or dung or wounds