Unsure?

Unsure?

Observation - Unsure?. Description: Was thinking an Empis fly nymph or similar, but unsure, have thought certain invertebrates nymphs before when they haven't been. Need help with an ID or any direction please. Many Thanks.

Was thinking an Empis fly nymph or similar, but unsure, have thought certain invertebrates nymphs before when they haven't been. Need help with an ID or any direction please. Many Thanks.