Acrocercops brongniardella

    Alternative names
    Brown Oak Slender

    Wingspan 8 to10mm. The larvae of this species mine the leaves of Oak species. They characteristically make twisting initial mines in the upper epidermis, which then join to form a large blotch, with a silvery appearance.

    Identification difficulty

    Adult Leafmine


    In open woodland and other areas where the host species occur.

    When to see it

    The moth is univoltine, being in flight at the end of July. It can also overwinter and be found again in April and May.

    Life History

    The larvae feed on Oak (Quercus spp.) 

    UK Status

    This is a very local species, occurring mainly in southern England and southern Ireland. Occasional sporadic populations are to be found further north. In the Butterfly Conservation's Microlepidoptera Report 2011 this species was classified as local.

    VC55 Status

    It appears to be uncommon in Leicestershire and Rutland, where there are few records. L&R Moth Group status = D (rare or rarely recorded).

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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