A lowland species. In the female, the mesopleura are shining and scarcely punctured. The lower parts of the face and the pronotum are marked with white. The mesonotum and mesopleura are black. The abdomen is yellowish with only the basal tergites and sometimes the sternites marked with black. The femora are entirely pale. The sawsheath viewed from above is broadly rounded apically.
The male is not described in Britain and Ireland.
Larvae feed on grey willow and eared willow.
Size: Female: 6.5 - 7.5mm.
Distribution: England, Ireland
Flight period: March to April
Plant associations: Salix atrocinerea and Salix aurita (grey willow and eared willow)
The National Biodiversity Network records are shown on the map below. (See terms and conditions)
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. https://doi.org/10.3897/BDJ.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