Pristiphora maesta (Zaddach, 1876)

Pristiphora maesta - Species not placed in a group

Females of this species is similar to Pristiphora biscalis. Pristiphora maestra species has pale cerci and at least a black clypeus. Colour mainly black but pale on the pronotum and the apex of the abdomen laterally and beneath. Males are best determined by examination of the penis valves.

Larvae feed socially on crab apple and apple trees.

Size: 5.5 - 7.0mm

Status: Local

Distribution: England

Flight period: April to May and possibly August

Plant associations: Malus sylvestris and Malus domestica (crab apples and apples)

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