Pristiphora subbifida - Pristiphora depressa group
Males are unknown. The head in dorsal view is extensively pale and on the thorax the metapostnotum is at least partially pale. The female is best determined by the characteristics of the saw and sawsheath.
Pristiphora subbifida larvae feed singly on field maple eating from the leaf edge.
Size: 5.0 - 7.0mm
Distribution: England, Wales
Flight period: May to July
Plant associations: Acer campestre (field maple)
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