Cytisogaster chambersi
One of three small species formerly included in the Rhogogaster picta group. All three have bicolorous blue-green/black stigma. This species has both males and females. The hind tibia are lined with black on the anterio-dorsal face. Facial markings and saw teeth are diagnostic (see Benson). Most of the stigma is pale.
Size: 6 - 8.5mm
Status: Widely distributed
Distribution: England, Scotland, Wales
Flight period: May to July
Plant associations: Linum catharticum (fairy flax)
The National Biodiversity Network records are shown on the map below. (See terms and conditions)
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- Cytisogaster chambersi female Credit Andrew Green
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- Cytisogaster chambersi female Credit Andrew Green
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- Cytisogaster chambersi female Credit Andrew Green
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- Cytisogaster chambersi female Credit Andrew Green
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- Cytisogaster chambersi female Credit Alan Outen
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- Cytisogaster chambersi female Credit Alan Outen
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- Cytisogaster chambersi female Credit Alan Outen
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