A black and yellow species, common in hedgerows. 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".
Tenthredo colon larval foodplant is unknown but they feed privet and majoram on the continent.
Size: 10 - 12mm
Distribution: England, Scotland, Wales, Ireland
Flight period: May to June
Plant associations: Unknown (Ligustrum, Origanum on the continent)
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
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]