Trachelus troglodyta
Larger of the two species found in Britain. Previously recorded from London and Hertford. Abdomen with yellow bands and wings yellowish with yellow veins and stigma.
Trachelus troglodyta larvae feed on rye.
Size: 10 - 14mm.
Status: Extinct in Britain
Distribution: Formerly England
Flight period: June
Plant associations: Rye
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