Phomopsis crustosa

    Alternative names
    Diaporthe crustosa
    Description

    The immersed black conidiomata (0.5mm) sit on brown spots surrounded by a narrow black line.

    Identification difficulty
    Identification aids

     

    Holly Speckle
    Trochila ilicina
    Phacidium lauri Phomopsis crustosa Microthyrium ciliatum
    There are some nice comparison images of species 1, 2 and 4 here.
    Small (<1mm) speckles on the upper side of the leaf only. Pustules (c.1.5mm) on upper and lower surfaces of the leaf. Immersed black conidiomata (0.5mm) on brown spots surrounded by a narrow black line. Tiny black speckles (<0.5mm) on both sides of the leaf.
    Habitat

    On dead leaves and twigs of Holly (Ilex)

    When to see it

    December to February.

    UK Status

    Not known.

    VC55 Status

    Status in Leicestershire and Rutland not known.

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    Leicestershire & Rutland Map

    MAP KEY:

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

    UK Map