Claremontia alternipes (Klug, 1816)

Claremontia alternipes

The head is black and glossy. The second antennal segment is about as long as wide and certainly not significantly wider than long. The thorax is also black and glossy and the mesopleura are sparsely hairy. The abdomen is also black throughout. The legs are variable being black in the darkest specimens with only the apices of the femora and tibiae off-yellow.

Claremontia alternipes larvae feed on brambles, especially raspberries.

Size: 5.5 - 6.5mm

Status: Local

Distribution: Unknown

Flight period: April to May

Plant associations: Rubus spp. including Rubus idaeus (brambles including raspberry)

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

Sheppard, D. A., 2019. British Symphyta (draft in preparation)