Absolutely no clue!

Absolutely no clue!

Observation - Absolutely no clue!. Description: Insect found walking round the top of black compost bin lid. Hard to judge size, maybe 12 - 15 mm. Lower body black with black wings.

Insect found walking round the top of black compost bin lid. Hard to judge size, maybe 12 - 15 mm. Lower body black with black wings.