The abdomen is black with a yellow-white band, which in the female is confined to the fifth tergite. The stigma of the forewing is bicolorous cream and black. Hind femora are mostly black and the tibia are red. The apical two or three hind tarsal segments are darkened.
The larvae feed on members of the rose family and pupate in the pith of cut stems.
Size: 7 - 10mm
Distribution: England, Scotland, Wales, Ireland
Flight period: Bivoltine, May to June and July to August
Plant associations: Rosaceae, especially Fragaria spp. and Rosa spp. (rose family, especially strawberry and roses)
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