A black and yellow species. The antennae, pronotum and whole of thorax above are black. The fore wing stigma is dark but the costa is mainly yellow. The entire tergite 3 and sides of 4 are yellow creating an inverted U.
Size: 10 - 12mm
Distribution: England, Scotland, Wales, Ireland
Flight period: May to June
Plant associations: Unknown (Ligustrum, Origanum on the continent)
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
Fekete, K. (2018) Beginner’s guide to identifying British Tenthredo, Natural History Museum, London. http://www.nhm.ac.uk/content/dam/nhmwww/take-part/identification-trainers/sawflies-guide-id-trainees.pdf [Accessed 26Apr2019]