A small species (6-7mm). Labrum, and usually also clypeus, tinged brown. The mesopleura are dull and rough, with a few large, widely spaced, crater-like punctures in the middle. Abdomen usually red-girdled and legs red or dark.
Larvae are unknown but presumed to feed on horsetails.
Distribution: England, Wales
Flight period: May to June
Plant associations: Equisetum sp? (horsetails)
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