A predominantly black species. The head is almost entirely black in both sexes as is the thorax. The mesoscutellum and metascutellum are yellow. The stigma and venation are mostly brown, but paler in the male. The abdomen is also black but banded with reddish brown on tergites 4 to 5, or 4 to 6. The band is more orange-brown in the male.
Larvae feed singly and form leaf rolls on raspberry plants.
Size: Male: 7 - 10mm, Female: 8 - 11mm
Status: Fairly common
Distribution: England, Scotland, Wales, Ireland
Flight period: May to June
Plant associations: Rubus idaeus (raspberry)
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
Viitasaari, M. ed., 2002. Sawflies (Hymenoptera, Symphyta), I: a review of the suborder, the Western Palaearctic taxa of Xyeloidea and Pamphilioidea. Tremex Press.