Size: female: 6 to 8 mm, male 6 to 7mm.  For a full description of the adult see 'Further Information' link below.

The larvae are green with a yellowish head and feed on Poplars and Willows.

Detailed examination is necessary.

Wher the larval foodplants (poplars and willows) are present.

May to August

The larvae are green with a yellowish head and feed on Poplars and Willows.

Fairly widespread, but not common, in southern Britain, north to Yorkshire.

Rarely recorded in VC55 (Leicestershire and Rutland)  - the Fosse Meadows record of 13th October 2020 is believed to be the first for our area.

https://www.sawflies.org.uk/euura-nigricornis/