Thistle Gall Fly - Urophora cardui

    Alt Name
    Thistle Gall

    A small but striking fly. The male's wings have darker markings.


    Grasslands etc. where Creeping Thistle is present.

    When to see it

    It flies from May to August/September.

    Life History

    It lays its eggs on Creeping Thistle (Cirsium arvense). After hatching, the larvae burrow into the stem of the plant and form a gall (or swelling).

    UK Status

    Widespread in the south of England.

    VC55 Status

    Fairly common in Leicestershire and Rutland

    Leicestershire & Rutland Map

    UK Map