Dark Birch Sawfly

Trichiosoma lucorum


Body length 16 - 20mm. A large, brown, bee-like sawfly with clubbed antennae. Very similar to T. tibiale, but the tibiae are pale.


Deciduous woodland, the larvae have been found feeding on birch and willow.

Status and distribution

Widespread but uncommon in Britain. Uncommon in Nottinghamshire and recorded once at Netherfield Lagoons.

Best time to see

May to July.