Caloptilia falconipennella

    Alternative names
    Scarce Alder Slender

    Wingspan about 13mm.

    Identification difficulty

    Areas where alder is present.

    When to see it

    The adult moths emerge in September and overwinter in this stage, reappearing in the spring.

    Life History

    The larvae feed on alder, at first mining the leaf and then creating a small number of folds on the leaf-edge, feeding within.

    UK Status

    This is a rather rare and local species that is not often observed. Records suggest it has a fairly broad distribution, but is probably overlooked and may be more widespread than is currently known. In the Butterfly Conservation’s Microlepidoptera Report 2011 this species was classified as Nationally Scarce B.

    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