Pristiphora breadalbanensis - Breadalbane Sawyer
Pristiphora carinata group
Scotland, Snowdonia and upland areas of England south to Derbyshire. Seemingly quite widespread and surprising that the foodplant has not yet been established (perhaps another birch feeder?) (Musgrove, 2024).
The hind femur is mainly black. The clypeus is truncate. The female is best determined by the characteristics of the saw. Males are best determined by the penis valve.
Pristiphora breadalbanensis larvae food plant is unknown, but the species is associated with high moors and the arctic-alpine zone.
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Size: Assumed 5.5 - 7.5mm
GB IUCN status: Least Concern
GB rarity status: None
Distribution: England, Scotland, Wales, Ireland
Flight period: May to July
Plant associations: Unknown
The National Biodiversity Network records are shown on the map below. (See terms and conditions)
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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 Natural England, unpublished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, Vol. 59