Rhyacophila dorsalis

    Description

    Forewing 10 to 14 mm. The forewing is mottled grey and yellow-brown but very variable in both colour and patterning, and showing a distinct dark diamond shape where the wings meet over the body when at rest.

    Identification difficulty
    Habitat

    Stony flowing water ranging from small streams to larger rivers.

    When to see it

    May to October in most areas.

    UK Status

    Widespread and fairly common in Britain.

    VC55 Status

    Status in Leicestershire and Rutland not known.

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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