Femora with at least the base completely black on one or both surfaces. In the female the upper portion of mesepisternum is shiny without sculpture between setae. The pronotum is black and sometimes edged with pale. Abdomen black. Males are best determined by the shape of the penis valve.
Larvae mine the leaves and petioles of globe-flower.
Size: 3 - 4mm
Distribution: England, Scotland, Wales
Flight period: May to June
Plant associations: Trollius europaeus (globe-flower)
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
Liston, A., Prous, M. and Vardal, H., 2019. The West Palaearctic Pseudodineura and Endophytus species (Hymenoptera, Tenthredinidae). Zootaxa, 4614(3), pp.511-528.