Males are unknown. Abdomen entirely black or dark and the legs entirely white. Adults are elusive but prefer shade.
Larvae mine the leaves of raspberry and blackberry plants. Mines similar to Metallus pumilus. Larvae without a black spot under the first abdominal segment.
Size: 2.5 - 4mm
Distribution: England, Scotland
Flight period: Bivoltine, May to June, July to August
Plant associations: Rubus idaeus and Rubus fruticosus (raspberry and blackberry)
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