Unknown very large Fly

Unknown very large Fly

Observation - Unknown very large Fly. Description: Very large fly feeding on devils bit scabious. Size of a large worker bumble bee Bombus terrestis. Behavious and flight not typical fly, slow and deliberate

Very large fly feeding on devils bit scabious. Size of a large worker bumble bee Bombus terrestis. Behavious and flight not typical fly, slow and deliberate