Allantus truncatus
This species has a black abdomen that is banded with off-white across tergite five in the female. The legs are reddish to yellow. The clypeus and scutellum are dull with a rugged surface. The stigma is uniformly deep brown.
Larvae feed on roses, tormentil and great burnet.
Size: 8 - 9mm
Status: Local
Distribution: England, Scotland, Wales
Flight period: May to August
Plant associations: Rosa spp., Potentilla erecta and Sanguisorba officinalis (roses, tormentil and great burnet)
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