Aculus laevis


    Aculus laevis is a gall mite that causes slightly hairy, more or less spherical galls to form on the leaves of some Willows. The galls are 1 to 2 mm high and firmly attached to the leaves. Starting off yellowish green they become reddish brown as they mature.

    Identification difficulty

    On Willows.

    When to see it


    UK Status

    Believed to be fairly frequent in Britain, but poorly recorded.

    VC55 Status

    Status in Leicestershire and Rutland not known.

    Leicestershire & Rutland Map

    UK Map