Diaporthe sarmenticia  

Description contributed by Graham Kinsey, CABI.

Anamorph: Phomopsis sarmentella (Sacc.) Traverso (1906). Alpha-conidia 5-6 x 2-3 µm.

Teleomorph: barely visible on the host surface, internally with a black zone line. Ascomata ca 300 µm diam., gregarious, immersed in bark or with the base sunk into the wood, ostioles scarcely exceeding the epidermis. Asci 45 x 7-8 µm. Ascospores 10 x 4-5 µm, cylindrical, constricted at the septum, 4-guttulate, initally with a gelatinous sheath.