Stigmella lapponica

    Alt Name
    Drab Birch Pigmy
    Description

    Wingspan 5 to 7 mm. The adults are coarsely-scaled and dull greyish-brown with an indistinct creamy fascia. The larva mine the leaves of Birch. The mine is long, filled with green frass to ¼, and then linear. The larva is a greenish white, head brown.

    Identification difficulty

    Adult Mine

    Recording advice

    Adult: Unless identified by a recognised expert, a photo is required and the specimen should be examined with a microscope. In the comments box, state the key or ID method used and describe the size and identifying characters.

    Leafmine: Unless identified by a recognised expert, a photo is required. If the photo doesn't show the key ID features then in the comments box describe the size and identifying characters you have observed.

    Habitat

    Associated with Birch.

    When to see it

    Adults of this single-generation species are on the wing in May.  Tenanted mines may be encountered from mid-June to early July.

    UK Status

    Widespread and fairly frequent in Britain. In the Butterfly Conservation's Microlepidoptera Report 2011 this species was classified as common.

    VC55 Status

    Infrequently recorded in Leicestershire and Rutland.

    Reference
    4.002 BF116

    Leicestershire & Rutland Map

    UK Map