Blue-banded Bee Amegilla cingulata

Blue-banded Bee
Blue-banded Bee Amegilla cingulata
The Blue-banded Bee is an Australasian banded species. This one was by Sydney Harbour Bridge. The males are bluer than the females.
They are related to the European White-banded Digger Bees and, like them, they suffer Thyreus species of parasitic Cuckoo Bee (Domino, Neon and Chequered Bees).