firefly vs Pyrophorus noctiluca

firefly and Pyrophorus noctiluca both are nouns.

Word	Noun	Adjective	Verb	Adverb
firefly	Yes	No	No	No
Pyrophorus noctiluca	Yes	No	No	No

As nouns, firefly and Pyrophorus noctiluca are synonyms defined as:

firefly and Pyrophorus noctiluca: tropical American click beetle having bright luminous spots

Other synonyms of firefly include fire beetle.

firefly (noun)	Pyrophorus noctiluca (noun)
nocturnal beetle common in warm regions having luminescent abdominal organs	tropical American click beetle having bright luminous spots
tropical American click beetle having bright luminous spots