Ardis sulcata (Cameron, 1882)

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)

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