Pamphilius hortorum - Raspberry Spinner
Widespread north to Speyside (Musgrove, 2022). A predominantly black species. The head is almost entirely black in both sexes as is the thorax. The mesoscutellum and metascutellum are yellow. The stigma and venation are mostly brown, but paler in the male. The abdomen is also black but banded with reddish brown on tergites 4 to 5, or 4 to 6. The band is more orange-brown in the male.
Pamphilius hortorum larvae feed singly and form leaf rolls on raspberry plants.
Size: Male: 7 - 10mm, Female: 8 - 11mm
GB IUCN Status: Least Concern
GB Rarity Status: None
Distribution: England, Scotland, Wales, Ireland
Flight period: May to June
Plant associations: Rubus idaeus (raspberry) and Rubus saxatilis (stone bramble).
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. 2022. A review of the status of sawflies of Great Britain - Phase 1: families other than Tenthredinidae. Natural England, unpublished
Viitasaari, M. ed., 2002. Sawflies (Hymenoptera, Symphyta), I: a review of the suborder, the Western Palaearctic taxa of Xyeloidea and Pamphilioidea. Tremex Press.