Stigmella salicis

    Alternative names
    Sallow Pigmy

    Wingspan 4 to 6 mm. The adults have dark forewings with a purplish sheen and an irregular yellowish fascia. The cilia are noticeably pale and the head is orange.

    Identification difficulty

    Adult Leafmine

    ID guidance

    Leafmine occurs on coarse leaved willows such as Goat Willow and Grey Willow.


    Areas containing rough-leaved willows.

    When to see it

    On the wing in April and May and again in July and August.

    Life History

    Larvae feed on willow (Salix spp.), preferring the rough-leaved species. The larval mine is usually broad and short, often doubling back and creating a 'false blotch'. The frass is broken linear. The mines can be found in June and July and from September into November.

    UK Status

    Widespread and fairly frequent in Britain. 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

    MAP KEY:

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

    UK Map