Type: Xylophilous Fungi; Description: Ascomata perithecial, scattered, superficial, globose to ellipsoidal with long necks, black, 0.1–0.15 mm in diameter, perithecial neck straight or curved, annulate, black, 200–600 μm long, ostiolar hyphae divergent, 5–15 μm long, hyaline; in bark beetle galleries in inner bark or outer sapwood and as hyphae in sapwood. Asci evanescent. Ascospores allantoid, 0-septate, 3–5 × 1–2 μm, smooth, hyaline, emerging from the ostiole and collecting in a hyaline droplet. Conidiogenous cells denticulate. Conidia produced sympodially upon the denticles, ovoid to fusiform, 0-septate, 2–5 × 1–2 μm, smooth, hyaline, base truncate giving a triangular appearance.

Distribution: Auckland.; 1st Record: Hutchison & Reid (1988a: as Ceratocystis rostrocoronata).

Significance: None. Does not stain wood.; Host(s): Eucalyptus sp.