Dolerus (Poodolerus) harwoodi Benson, 1947

Dolerus harwoodi

A cooler climate, northern species. A black species. The female with dense hairs on the head, mesonotum and mesopleura that are at least as long as the diameter of an ocellus. The male has sparse hair. Males best determined by the penis valve.
Larvae are unknown.

Size: 8.5-10mm

Status: Rare

Distribution: Scotland

Flight period: April to June

Plant associations: unknown

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