Alder Sawfly - Eriocampa ovata


Size 10mm. The adult sawfly has a black head and abdomen and dark orange thorax


Around Alder trees

When to see it

May to August

Life History

The larvae are up to 2 cm long and covered in a white powdery substance. They camouflage themselves as bird droppings. The white powdery substance is easily rubbed off and in the final instar, when feeding is finished, the white powder is lost and the larva adopts a pale green appearance. There are two generations each year.

UK Status

Most records come from the south of Britain.

VC55 Status

Common in Leicestershire and Rutland.

Leicestershire & Rutland Map

UK Map