Ardis sulcata
One of the two Ardis species which are characterised by large punctures around the outer eye margins. Entirely black, but the knees and front of fore and middle tibia and tarsi brown.
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: Uncommon
Distribution: England, Wales
Flight period: May to June
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