Dolerus germanicus (Fabricius, 1775)

Dolerus germanicus

The abdomen is normally banded in red in the male and in the female red except for the base and apex which are more or less marked with black. The mesonotum has the side lobes red, but these are black in the northern England and Scotland specimens. The wings are strongly infuscate.

Larvae feed on wet habitat horsetails.

Status: unknown

Distribution: England, Scotland, Wales, Ireland

Flight period: May to June

Plant associations: Equisetum sp. (horsetails - wet habitat species)

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