Dolerus ferrugatus


    The adult is black throughout.

    Identification difficulty
    Recording advice

    This species has a red ID rating and unless identified by a known expert you must provide a satisfactory explanation of how it was identified for the record to be accepted.


    Any habitat where Juncus species are present in numbers.

    When to see it

    Adult early May to early July

    Life History

    Larva is rather distinctive with a yellowy green body and an orange head. It has a creamy coloured 'skirt' with a row of black dots. It is associated with various Juncus species of Rush.

    UK Status

    Can be fairly frequent, but quite local in distribution. Most British records come from England.

    VC55 Status

    Locally frequent in Leicestershire and Rutland.

    Leicestershire & Rutland Map

    MAP KEY:

    Yellow squares = NBN records (all known data)
    Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

    UK Map