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
The National Biodiversity Network records are shown on the map below. (See terms and conditions)
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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