Pristiphora decipiens - Pristiphora abietina group
In the female, the head is mostly pale above. In dorsal view, the sawsheath has distinct scopa posteriorly. In lateral view, the posterior margin of the sawsheath is truncate. Claws have a large subapical tooth. Males should be determined by the penis valve, but in both sexes, the mesepisternum is pale in Pristiphora decipiens (black in the similar Pristiphora compressa).
Pristiphora decipiens larvae feed on spruces.
Size: Probably 6.0 - 9.0mm
Status: Data deficient
Distribution: England, Scotland
Flight period: May to July
Plant associations: Picea spp. (spruces)
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