Type: Foliicolous Fungi; Description: Condiomata acervular, initially partly immersed, finally superficial, cup-shaped to discoid, disc margin fimbriate, pale brown, 0.15–0.3 mm in diameter; on large (up to 20 mm in diameter) necrotic, roughly circular, light brown leaf spots with a purplish brown margin, mainly on the lower surfaces of leaves. Conidiophores up to 50 μm long. Conidia ellipsoid, 0-septate, 5–7.5 × 1.5–2 μm, hyaline. Pilidium synanamorph. Conidiophores 10–20 μm long. Conidia falcate, 0-septate, 4–9 × 1.5–2 μm, pointed at both ends.

Distribution: Northland, Bay of Plenty, Gisborne, Mid Canterbury.; 1st Record: Gadgil & Dick (2000a).

Significance: The teleomorph has not been found in New Zealand. Lundquist & Foreman (1986) reported heavy losses from H. lythri in four eucalypt nurseries in South Africa. They showed that infection occurred only when the leaves were wounded and when free moisture was present. Ferreira (1998) recorded the fungus as a wound pathogen of E. citriodora and E. grandis in Brazil. In New Zealand, it is regarded as a minor nursery pathogen.; Host(s): Eucalyptus nitens, E. regnans.