Phomopsis crustosa

Alternative names
Diaporthe crustosa

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.

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


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

UK Map