Limenitis astyanax vs red-spotted purple

Limenitis astyanax and red-spotted purple both are nouns.

Word	Noun	Adjective	Verb	Adverb
Limenitis astyanax	Yes	No	No	No
red-spotted purple	Yes	No	No	No

As nouns, Limenitis astyanax and red-spotted purple are synonyms defined as:

Limenitis astyanax and red-spotted purple: similar to the banded purple but with red spots on underwing surfaces

Limenitis astyanax (noun)	red-spotted purple (noun)
similar to the banded purple but with red spots on underwing surfaces	similar to the banded purple but with red spots on underwing surfaces