A mainly southern species. The female has the head and thorax mostly yellow with the depressed parts of the mesonotum lined with black. The abdomen is mostly green (but fades to yellow) with medial black marks on at least the basal three tergites. The apices of the antennae are pale beneath. The cerci are only half as long as the projection of the sawsheath when viewed from above.
Males have the scutellum virtually impunctate.
Larvae feed on common osier.
Size: Female: 6.5 - 7.5mm, males: 4.5 - 5.5mm.
Distribution: England, Wales
Flight period: May to June
Plant associations: Salix viminalis (common osier)
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