Euura hedstroemi - Hedstroem's Willow Nematine

A plump species that is mostly orange-yellow on the head and thorax. In the female, the abdomen is almost entirely black above up to the seventh tergite and with a pale, dark-centred spot on each side of the first tergite. Males are undescribed.

Euura hedstroemi larvae thought to feed on eared willow and grey willow.

Size: 5.5 - 6.5mm

Status: Local

Distribution: England, Scotland, Wales, Ireland

Flight period: April

Plant associations: Salix aurita and Salix atrocinerea (eared willow and grey willow)


Benson, R.B., 1952. Handbooks for the Identification of British Insects. Hymenoptera, Symphyta, Vol 6, Section 2(a-c), Royal Entomological Society, London

Liston A, Knight G, Sheppard D, Broad G, Livermore L (2014) Checklist of British and Irish Hymenoptera - Sawflies, ‘Symphyta’. Biodiversity Data Journal 2: e1168.

Prous, M., Liston, A., Kramp, K., Savina, H., Vårdal, H. and Taeger, A., 2019. The West Palaearctic genera of Nematinae (Hymenoptera, Tenthredinidae). ZooKeys, 875, p.63-127