Pristiphora coactula (Ruthe, 1859)

Pristiphora coactula - Pristiphora carinata group

The female is best determined by the characteristics of the saw. Males are best determined by the penis valve.

Larvae feed on bog bilberry and is therefore associated with wet moorlands. Larvae feed at night and are concealed at the base of the plant in the day.

 

Size: Assumed 5.5 - 7.5mm

Status: Local

Distribution: Scotland

Flight period: May to July

Plant associations: Vaccinium uliginosum (bog bilberry)

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