fly - which family?

fly - which family?

Observation - fly - which family?. Description: This is a tiny (2.5mm length) nematoceran fly, but has distinctive thickened hind femora with spines and a long, single claw on the hind tarsus. The wings have got folded up so I'm struggling to key it out into a family, any suggestions would be appreciat

This is a tiny (2.5mm length) nematoceran fly, but has distinctive thickened hind femora with spines and a long, single claw on the hind tarsus. The wings have got folded up so I'm struggling to key it out into a family, any suggestions would be appreciated!