Recorded widely across all of mainland Britain, as well as the Hebrides, Orkney and Shetland. The most frequently recorded species of the genus in Britain (Musgrove, 2023).
Entirely black with a bronzy sheen. Mesonotum very shiny with widely spaced punctures. Dolerus aeneus is slim and elongate. Cerci may be brick-red. Identification requires examination of genitalia.
Larvae feed on grasses.
GB IUCN Status: Least Concern
GB Rarity Status: None
Distribution: England, Scotland, Wales, Ireland
Flight period: April to July, also sometimes August to September
Plant associations: Gramineae (grasses)
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
Musgrove, A.J. 2023. A review of the status of sawflies of Great Britain - Phase 2: The Athaliidae and the Tenthredinidae (excluding Nematinae). Natural England, unpublished