Brachythops wuestneii (Konow, 1885)

Brachythops flavens

The thorax is black and the abdomen yellow. The wings are infuscate except for the extreme base and the stigma is yellowish-brown posteriorly. The front mesonotal lobe is finely punctured with dense pubescence. The clypeus is entirely black. The pronotum is mostly black and the first antennal segment also black.

Larvae feed on slender sedge in wet habitats including moorland mires and bogs.

 

Size: 6 - 7mm

Status: Rare

Distribution: England, Scotland, Wales

Flight period: May to June

Plant associations: Carex lasiocarpa (slender sedge)

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