Dolerus brevicornis
Only recently separated from Dolerus asper as a species in Britain. Males can be determined by the penis valve shape and the phenology. See Heidemaa et al for key.
Status: Widespread?
Distribution: England, Scotland
Flight period: April to June
Plant associations: Cyperaceae and Graminaceae (sedges and grasses)
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- Dolerus brevicornis male penis valve
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- Dolerus brevicornis male
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
Heidemaa, M.I.K.K., Nuorteva, M., Hantula, J. and Saarma, U., 2004. Dolerus asper Zaddach, 1859 and Dolerus brevicornis Zaddach, 1859 (Hymenoptera: Tenthredinidae), with notes on their phylogeny. European Journal of Entomology, 101(4), pp.637-650