Pristiphora monogyniae - Species not placed in a group
Head, thorax and abdomen black with pale on the labrum, part of the clypeus and more or less the fore and mid knees,tibia and tarsi of all legs. Claws simple without any sub-apical tooth. Antennae are uniformly black above and below. Labrum more or less symmetrical. Males are best determined by examination of the penis valves. In the female, the cerchi clearly extends beyond the sawsheath.
Pristiphora monogyniae larvae feed solitarily on blackthorn and plum.
Size: 3.0 - 4.0mm
Distribution: England, Wales, Ireland
Flight period: April to May
Plant associations: Prunus spinosa and Prunus domestica (blackthorn and plum)
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