Phytomyza ilicis

    Alt Name
    Leaf mine

    Phytomyza ilicis is an Agromyzid fly that causes galls to form on the leaves of Holly.

    Identification difficulty

    Adult Leafmine (there is now the possibility of a second leafminer on Holly so please submit an image with your record.)


    Anywhere that the host plant grows.

    Life History

    Phytomyza ilicis lays its eggs in May or June, at the base of the petiole of a young leaf (on the underside). Larva initially feeds in mid-rib, later producing characteristic irregular upper surface linear-blotch. Pupation is internal.

    UK Status

    Common and widespread in Britain.

    VC55 Status

    Common in Leicestershire and Rutland

    Leicestershire & Rutland Map

    UK Map