Pristiphora sermola - Pristiphora micronematica group
Species limits in the micronematica group are unclear. The head and thorax are densely and evenly sculptured. The sawsheath is sub-parallel sided in dorsal view and slightly emarginate either side of the medial projection.
Larvae feed on goat willow and tea-leaved willow.
Size: 4.5 - 5.00mm
Flight period: Assumed April to June
Plant associations: Salix caprea and Salix phylicifolia (goat willow and tea-leaved willow)
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.D., 1981. Pristiphora (Lygaeophora) lanifica (Zaddach, 1882) new to Britain (Hymenoptera: Tenthredinidae). Entomologist's gazette.
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
Prous, M., Kramp, K., Vikberg, V. and Liston, A., 2017. north-Western Palaearctic species of Pristiphora (hymenoptera, tenthredinidae). Journal of Hymenoptera Research, Vol. 59