Xiphydria prolongata
The willow wood-wasp is one of three species in the genus in Britain. Xiphydria prolongata is the only one of the three species to have a red girdle on the abdomen covering at least tergite four. The abdomen also has lateral white spots.
Larvae bore into the wood of ailing or dead willows.
Size: 6 - 18mm
Status: Local
Distribution: England, Wales
Flight period: June to August
Plant associations: Salix spp. (willows)
The National Biodiversity Network records are shown on the map below. (See terms and conditions)
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- Xiphydria prolongata Credit Stephen Plant
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- Xiphydria prolongata Credit Stephen Plant
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
Shaw, M. R. & Liston, A. D. 1985: Xiphydria longicollis (Geoffroy) (Hymenoptera: Xiphydriidae) new to Britain. - Entomologist's Gazette, Faringdon 36: 233-235