Tachinid Fly

Bessa selecta


Body length 5 to 6mm. A small, grey and black fly with a well marked abdomen.


There is not much information about habitat available. The larvae are endoparasites of sawflies, often in association with Willow or Ash trees.

Status and distribution

Uncommon in Britain and in Nottinghamshire. Recorded once at Netherfield Lagoons.

Best time to see

July to September.