Syndemis musculana

Alternative names
Dark-barred Twist

Wingspan 15-22 mm. On this moth, both forewings and hindwings are primarily grey. The forewing ranges from whitish grey to brownish grey, with darker markings which vary in intensity. Some, especially worn specimens, lack discernable markings.

Identification difficulty

Woodland, mature hedgerows and high moorland.

When to see it

It flies in the late afternoon and evening in May and June, coming to light after dusk.

Life History

The larva feeds from a leaf spinning or folded leaf on Bramble Birch and Oak and many other trees, shrubs, herbs and grasses. It is active from July to October, overwintering as a full-grown larva to pupate in the spring.

UK Status

It is common throughout Britain and Ireland. In the Butterfly Conservation’s Microlepidoptera Report 2011 this species was classified as common.

VC55 Status

Quite common in Leicestershire and Rutland. L&R Moth Group status = A (common and resident)

49.028 BF986

be our species champion

Leicestershire & Rutland Map


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

UK Map