A species that is very variable in colour. In the female, the top of the head, the mesopleura and mesonotum are reddish-brown whilst the lower part of the face, the pronotum and the underside of the abdomen are green (all marked with black) fading to yellow. The sawsheath viewed from above is slightly emarginate each side of the middle.
The male has the inner orbits and most of the sternites infuscated. Mesopleura dull.
Larvae feed on creeping willow.
Size: Female: 6.0 - 7.0mm, male: 5.0 - 6.0mm.
Distribution: England, Scotland, Wales, Ireland
Flight period: April to June
Plant associations: Salix repens (creeping 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