Pristiphora insularis - Insular Sawyer
Species not placed in a group

Thinly distributed mostly south of the Mersey, although Benson (1958) noted a distribution extending north to Perthshire (Musgrove, 2024).

The abdomen is mostly dark above but with pale on the sternites and the hind femora are pale. Males are rare and are best determined by examination of the penis valves.

Pristiphora insularis larvae feed solitarily on rose plants and Japanese quince (where introduced).

Jump to other species of Pristiphora

Size: 4.5 - 5.5mm

GB IUCN status: Least Concern
GB rarity status: None

Distribution: England, Scotland, Wales, Ireland

Flight period: May to June

Plant associations: Rosa spp. and Chaenomeles japonica (roses and Japanese quince)

The National Biodiversity Network records are shown on the map below. (See terms and conditions)

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

Musgrove, A.J. 2024. A review of the status of sawflies of Great Britain - Phase 3: The Tenthredinidae (subfamily Nematinae). Natural England, unpublished

Prous, M., Kramp, K., Vikberg, V. and Liston, A., 2017. North-Western Palaearctic species of Pristiphora (hymenoptera, tenthredinidae). Journal of Hymenoptera Research, 59