Claremontia alternipes
Recorded locally thoughout England, and more sparsely in Wales and Scotland (Musgrove, 2023).
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.
Jump to other Claremontia species
Size: 5.5 - 6.5mm
GB IUCN Status: Least Concern
GB Rarity Status: None
Distribution: England, Scotland, Wales.
Flight period: April to May
Plant associations: Rubus spp. including Rubus idaeus (brambles including raspberry)
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
Musgrove, A.J. 2023. A review of the status of sawflies of Great Britain - Phase 2: The Athaliidae and the Tenthredinidae (excluding Nematinae). Natural England, unpublished
Sheppard, D. A., 2019. British Symphyta (draft in preparation)