Type: Xylophilous Fungi; Description: Ascomata perithecial, scattered, superficial, globose with long necks, black, 0.1–0.2 mm in diameter, perithecial neck straight or curved, annulate, black, 500–6000 μm long, ostiolar hyphae divergent, 20–75 μm long, hyaline; in bark beetle galleries in inner bark or outer sapwood. Asci evanescent. Ascospores allantoid, 0-septate, 3–5 × 1–2 μm, smooth, hyaline, emerging from the ostiole and collecting in a white to pale yellow droplet. Conidiogenous cells denticulate. Conidia produced sympodially upon the denticles, singly (Sporothrix-like) or in chains (Hyalodendron-like), ellipsoidal to fusiform, 0-septate, 4–15 × 1–3 μm, smooth, hyaline.

Distribution: Bay of Plenty, Taupo.; 1st Record: Hutchison & Reid (1988a: as Ceratocystis novaezelandiae).

Significance: The cause of a brownish to black stain in wood.; Host(s): Pinus radiata, Prumnopitys taxifolia, Pseudotsuga menziesii.