Similar to D. nitens but lacks any metallic reflections and in the female with shorter, sparser hairs on the mesopleura. The mesosternum has shallow punctures throughout. Males unknown.
Larvae undescribed but presumed to feed on grasses or sedges.
Distribution: England, Scotland, Wales, Ireland
Flight period: April to June
Plant associations: Gramineae or Cyperaceae (grasses or sedges)
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