Arge ustulata


Length 7 to 10 mm. All black with a broad body. The wings have an obvious dark 'window' and orange along the veins and leading wing edge.

Similar Species

Arge berberis is the only other dark bodied sawfly recorded in VC55 so far. This has dark legs and no wing cloud.

Identification difficulty
ID guidance
  • dark bodied
  • pale legs
  • smoky wings with a wing cloud

Hedgerows, woodland rides, etc.

When to see it

May to July

Life History

The larvae live on various trees and shrubs, whilst the adults will take nectar and pollen from flowers such as Hogweed.

UK Status

Widely distributed in Britain, though seemingly not particularly common.

VC55 Status

Occasional in Leicestershire and Rutland.

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Leicestershire & Rutland Map


Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map