Pristiphora borea - Dwarf Birch Sawyer
Pristiphora carinata

The hind femur is mainly brown. The clypeus is more or less emarginate medially. The female is best determined by the characteristics of the saw. Males are best determined by the penis valve.

Pristiphora borea larvae feed on dwarf birch.

Jump to other species of Pristiphora

Size: 5.5 - 7.5mm

Status: Rare

Distribution: Scotland

Flight period: May to July

Plant associations: Betula nana (dwarf birch)


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.

Prous, M., Kramp, K., Vikberg, V. and Liston, A., 2017. north-Western Palaearctic species of Pristiphora (hymenoptera, tenthredinidae). Journal of Hymenoptera Research, Vol. 59