Dolerus aeneus

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.

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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)


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.