Mompha raschkiella

Alternative names
Little Cosmet

Wingspan 9 mm. A tiny, but distinctively marked species, with pale yellow shoulder patches and scale tufts along its back.

Identification difficulty

It can be found in any habitat where the food plant grows.

When to see it

It has two generations in the year, flying during May and again in August.

Life History

The larvae feed on the leaves of Rosebay Willowherb

UK Status

Fairly frequent and widespread in Britain but easily overlooked due to its tiny size. In the Butterfly Conservation’s Microlepidoptera Report 2011 this species was classified as common.

VC55 Status

Occasional in Leicestershire and Rutland. L&R Moth Group status = C (very scarce resident or rare migrant)

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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