Brachythops flavens (Klug, 1816)

Brachythops flavens

The thorax is black and the abdomen yellow. The wings are yellowish with yellow veins in the basal half and a black stigma. The front mesonotal lobe is shining with very sparse pubescence. The clypeus is margined with yellow. The pronotum is mostly yellow and the first antennal segment usually also yellow.

Larvae feed on sedges in wet habitats including moorland mires.

 

Size: 6 - 7mm

Status: Widespread

Distribution: England, Scotland, Wales, Ireland

Flight period: Bivoltine, May to June and July to August.

Plant associations: Carex spp. (sedges)

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