Pristiphora melanocarpa (Hartig, 1840)

Pristiphora melanocarpa - ruficornis group

This species is similar to Pristiphora ruficornis but melanocarpa has darker antennae. Males are best determined by examination of the penis valves. Determination of the females, is best done by examination of the saw which lacks any setae on the six apical segments.

Pristiphora melanocarpa larvae feed on silver birch, downy birch and dwarf birch.

Size: 4.0 - 5.5mm

Status: Widespread

Distribution: England, Scotland, Wales, Ireland

Flight period: April to June

Plant associations: Betula pendula, Betula pubescens and Betula nana (silver birch, downy birch and dwarf birch)

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, 59

Prous, M., Vikberg, V., Liston, A. and Kramp, K., 2016. North-western Palaearctic species of the Pristiphora ruficornis group (Hymenoptera, Tenthredinidae). Journal of Hymenoptera Research, 51