Dolerus haematodes
A conspicuous metallic species. In females, the black head and abdomen have a blue-green sheen and the pronotum is marked with red. Males are entirely black but the thorax and head can appear tarnished with metallic greens, blues and bronzes. In both sexes, the lateral lobes of the mesonotum are well punctured. Males best determined by penis valve shape.
Dolerus haematodes feed on grasses and sedges
Status: Widespread.
Distribution: England, Scotland, Wales, Ireland
Flight period: March to June
Plant associations: Cyperaceae and Graminaceae (sedges and grasses).
The National Biodiversity Network records are shown on the map below. (See terms and conditions)
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- Dolerus haematodes female
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- Dolerus haematodes female
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- Dolerus haematodes female
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- Dolerus haematodes female
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- Dolerus haematodes male Credit Andrew Green
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- Dolerus haematodes male Credit Andrew Green
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- Dolerus haematodes male Credit Andrew Green
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- Dolerus haematodes (Netherlands specimen) Credit Leo Blommers
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