Scolioneura betuleti

Alternative names
Scioloneura vicina
Description

The larvae of the sawfly Scolioneura betuleti mine the leaves of Birch (Betula) species and those of Green Alder (Alnus viridis).  The mines and larvae are indistinguishable from those of Scolioneura vicina, but S. vicina larvae live from mid-May until mid-June, while the larvae of Scolioneura betuleti are found only from August to October. 

Identification difficulty
Habitat

Tenanted leaf mines occur between August and October.

When to see it

Larval mines may be encountered when the larval foodplants are in leaf.

UK Status

Widespread in Britain.

VC55 Status

Status in Leicestershire and Rutland not known.

Leicestershire & Rutland Map

MAP KEY:

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

UK Map