Nephrotoma cornicina

A large species with a wing length of 14-16mm

Other Nephrotoma species. 

• Wide Spade shaped marking on head
• Very weak to no brownish markings on side of thorax near wing base
• Tergite 9 black
• Long blunt process sticking out from Sternite 8

Unless identified by a recognised expert, a photo is required and the specimen should be examined with a microscope. In the comments box, state the key or ID method used and describe the size and identifying characters.

River margins 

July to September

Common

Uncommon / under-recorded