Elachista utonella

    Alt Name
    Bog Dwarf, Biselachista utonella
    Description

    Wingspan 8 to 9 mm. Can be reliably separated from other similar Elachista species only by dissection of the genitalia.

    Identification difficulty
    Habitat

    Wet and boggy areas where sedges (especially Carex species) are found.

    When to see it

    July and August.

    Life History

    Larva mines the leaves of various sedges especially certain Carex species. The mines are usually visible from March to May.

    UK Status

    Widespread but uncommon. In the Butterfly Conservation's Microlepidoptera Report 2011 this species was classified as Nationally Scarce B.

    VC55 Status

    Rare in Leicestershire and Rutland, the record for 2013 being the first in VC55. L&R Moth Group status = D (rare or rarely recorded).

    Reference
    38.045 BF629

    Leicestershire & Rutland Map

    UK Map