Another Bee Fly

My first Bombylius discolor (Diptera, Bombyliidae), a male.

Compared to the commoner B. major, the body of this species is larger (15mm, excluding proboscis, as against 12mm) and has a black tail-end:

But the main distinguishing feature is the spotted wings:

This specimen also had a forked proboscis:

Specimen taken in the field below Chazey Wood, near Caversham, UK, on 2014-03-30.