Are these black bean aphids?

Are these black bean aphids?

Observation - Are these black bean aphids? - UK and Ireland. Description: A variety of sizes ranging downwards from 5 mm. I have looked at images of Aphis fabae on the web a

A variety of sizes ranging downwards from 5 mm.
I have looked at images of Aphis fabae on the web and although superficially similar, especially the clustering behaviour, I could find no pictures of the black bean aphid with these markings. Is this the same species? Are these individuals a subspecies?