Pristiphora laricis (Hartig, 1837)

Pristiphora laricis - Pristiphora laricis group

This species is extremely similar to Pristiphora friesei. Pristiphora laricis tends to be paler with a pale labrum and at least in the female the pronotum is mostly pale. The flagellum is 2.5 to 3.2 times as long as the width of the head.

Pristiphora laricis larvae feed on various larches.

Size: Assumed 4.0 - 6.5mm

Status: Widespread

Distribution: England, Scotland, Wales, Ireland

Flight period: April to August

Plant associations: Larix spp. (various larches)

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, 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