Posted by daveb21 on 05-02-2021 19:51
#8
Going from memory, other species of Crumomyia (at least in the UK) have a single pair of av/pv on the mid tibia and are missing the tiny setae on the scutellum - it also big in relation to the others, 4-5.5mm. In males there is a large hook like tubercle at the base of femur 3 so that one's easy.