Entirely black with a bronzy sheen. Mesonotum very shiny with widely spaced punctures. Slim and elongate. Cerci may be brick-red. Identification requires examination of genitalia.
Larvae feed on grasses.
Status: Common and widespread
Distribution: England, Scotland, Wales, Ireland
Flight period: April to July, also sometimes August to September
Plant associations: Gramineae (grasses)
The National Biodiversity Network records are shown on the map below. (See terms and conditions)
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