Small China-mark - Cataclysta lemnata


    Wingspan 18-24 mm. The males of this species are slightly smaller and whiter than the females but both sexes have a distinctive row of blue-centred black dots on the hindwing.

    Identification difficulty

    Around still or slow-moving water.

    When to see it

    The adults are on the wing between June and August, when the females in particular come to light.

    Life History

    The larvae are semi-aquatic, feeding on Duckweed. They build floating cases made from fragments of the foodplant.

    UK Status

    It is fairly common throughout Britain and Ireland. In the Butterfly Conservation’s Microlepidoptera Report 2011 this species was classified as common.

    VC55 Status

    Fairly frequent but not common in Leicestershire & Rutland. L&R Moth Group status = B (scarce resident or restricted distribution or regular 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