Unknown insect

Unknown insect

Observation - Unknown insect. Description: Just one quick shot before it disappeared, I'm afraid, and even then only half it's head is visible. Hopefully, though, there's enough here (particularly the quite distinctive rear end) for someone to ID? (Thanks in anticipation.)

Just one quick shot before it disappeared, I'm afraid, and even then only half it's head is visible. Hopefully, though, there's enough here (particularly the quite distinctive rear end) for someone to ID? (Thanks in anticipation.)