Pamphilius balteatus
Mostly a dark insect in both sexes but with the male lighter than the female. In the female tergites 4 and 5 are a lighter brown colour centrally. In the male at least tergite 4 and 5 are a lighter brown for most of the tergite. The head is mostly black in the female with yellow stripes and in the male the anterior part of the head as well as the genae are yellow. Forewing venation is mostly brown as is the stigma which may have darker marginal venation. See Viitasaari for full description.
Pamphilius balteatus larvae feed singly within a leaflet tube on thin-leaved roses.
Size: 7 - 10mm
Status: Widespread
Distribution: England, Scotland, Wales, Ireland
Flight period: May to June
Plant associations: Rosa spp. (roses - thin leaved species) (1)
The National Biodiversity Network records are shown on the map below. (See terms and conditions)
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References:
1. Benson, R.B., 1952. Handbooks for the Identification of British Insects. Hymenoptera, Symphyta, Vol 6, Section 2(a-c), Royal Entomological Society, London
2. 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
3. Viitasaari, M. ed., 2002. Sawflies (Hymenoptera, Symphyta), I: a review of the suborder, the Western Palaearctic taxa of Xyeloidea and Pamphilioidea. Tremex Press.