Abdomen normally banded in red. Mesonotum with side lobes red, but black in N.England and Scotland race. Wings strongly infuscate.
Larvae feed on wet habitat horsetails.
Distribution: England, Scotland, Wales, Ireland
Flight period: May to June
Plant associations: Equisetum sp. (horsetails - wet habitat species)
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