Pristiphora friesei (Konow, 1904)

Pristiphora friesei - Pristiphora laricis group

This species is extremely similar to Pristiphora laricis. This species tends to be darker with a black or dark brown labrum and at least in the female the pronotum is mostly black. The flagellum is 3.5 to 4.0 times as long as the width of the head.

Larval food plant is European larch.

 

Size: 4.0 - 6.5mm

Status: Data deficient

Distribution: Scotland, Ireland

Flight period: Assumed May to July

Plant associations: Larix decidua (European larch)

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