One of two Sciapteryx species in Britain. In the female, mostly black with white on the tegulae, the labrum, more or less the inner and outer orbits, narrowly on the pronotal margin and narrow apical margins of the tergites. There is a white spot also on the apices of the coxae and the front face of the tibia and the tarsi are white. The male is similarly patterned but with more white on the clypeus and labrum and broader eye margins. The stigma and costa are black and the subcosta-radial vein is white in front ans black behind.
Larvae feed on moschatel.
Flight period: April to May
Plant associations: Adoxa moschatellina (moschatel)
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