Arge gracilicornis - Raspberry Fusehorn

Arge gracilicornis is one of the smaller black species and it is widely distributed as far north as Inverness. The apical margins of the wings are finely ciliate. Cell 2RS of the forewing is wider at the top than at the bottom due to vein 3rm being sinuate.

Larvae feed on raspberry and brambles.

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Size: 5 - 7mm.

IUCN Status: Least Concern
GB Rarity Status: None

Distribution: England, Scotland, Wales, Ireland

Flight period: Uni- or bivoltine, May to June and sometimes July to September

Plant associations: Rubus spp.. Brambles, Rubus fruticosus agg., (Liston, 1995) and especially raspberry, Rubus idaeus (Benson, 1952).

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

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., 1995. Compendium of European Sawflies, Chalastos Forestry, Daibersdorf

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. 2022. A review of the status of sawflies of Great Britain - Phase 1: families other than Tenthredinidae. Natural England, unpublished