#2
Hello NakaRB,
Oh, I so love these red and black Chalsosyrphus! C. femoratus has a spine at the apex of the hind tibia like so
http://waarneming...369429.jpg The haltere knob is light brown and the arista is unicolourous orange making this Chalcosyphus valgus. Very nice photo's, especially the top one!
Greetings,
Ectemnius
