Cimbex luteus
A large yellow and brown species very similar to Cimbex connatus. However, luteus has significantly more yellow on the body. In luteus the 3rd tergite has at most a narrow central dark mark and with much more extensive yellow on the underside of the abdomen. In luteus, the thorax is generally a lighter orange colour and the back of the head and scutellum are dulled by puncturation and denser hair.
Size: 20 - 28mm
Status: Infrequent
Distribution: England, Scotland, Wales
Flight period: May to July
Plant associations: Alnus spp. (alders) and Salix spp. (willows)
The National Biodiversity Network records are shown on the map below. (See terms and conditions)
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- Cimbex luteus Credit Andrew Green
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- Cimbex luteus Credit Andrew Green
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- Cimbex luteus Credit Andrew Green
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- Cimbex luteus Credit Andrew Green
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- Cimbex luteus credit Ed Hardy
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