Aulagromyza tridentata


    The larva of the fly Aulagromyza tridentata feed on willows such as Crack-willow and Osier producing an elongated yellowish blotch mine, which may be either upper surface, lower surface or starting lower surface and ending upper surface.

    Identification difficulty

    Adult Leafmine


    Where willow, the larval foodplant is present.

    When to see it

    The larval mines are tenanted in summer and early autumn.

    Life History

    Larvae feed on Crack willow, Osier and other willows.

    UK Status

    Found mainly in southern England, from the Midlands southwards, and infrequently recorded.

    VC55 Status

    Status in Leicestershire and Rutland not known.

    be our species champion

    Leicestershire & Rutland Map

    MAP KEY:

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

    UK Map