A small black species with legs that are mainly reddish-yellow but with black coxae, trochanters, to some extent the base of the femora and the apical tarsal segments.
Larvae mine the leaves of birch species, especially young birches.
Size: 4 - 5mm
Distribution: England, Scotland, Ireland
Flight period: May to June and July to September
Plant associations: Betula spp. (birches)
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