Ardis pallipes
One of two Ardis species which have large punctures around the outer eye margins. Mostly black with the hind edges of the pronotum and tegulae white as are the bases of the tarsal segments and tibia.
Larvae bore into the stems of roses, especially rambling roses. Larval damage causes growing tips of stems to wither and die.
Size: 5.5 - 6.5mm
Status: Widespread
Distribution: England, Scotland, Wales, Ireland
Flight period: Bivoltine, April to May and July to August
Plant associations: Rosa spp. (roses)
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