Pristiphora sermola Liston, 1993

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.

Pristiphora sermola larvae feed on goat willow and tea-leaved willow.

Size: 4.5 - 5.00mm

Status: Rare

Distribution: Scotland

Flight period: Assumed April to June

Plant associations: Salix caprea and Salix phylicifolia (goat willow and tea-leaved willow)

References:

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