Pristiphora subbifida (Thomson, 1871)

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.

Larval food plant is field maple.

 

Size: 5.0 - 7.0mm

Status: Scarce

Distribution: England, Wales

Flight period: May to July

Plant associations: Acer campestre (field maple)

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