Type: Xylophilous Fungi; Description: Ascomata perithecial, scattered, superficial, globose with a long neck, dark brown to black, 0.1–0.2 mm in diameter, perithecial necks straight or curved, black, becoming annulate at times, 350–1900 μm long, ostiolar hyphae divergent, septate, 16–65 μm long, hyaline; in bark beetle galleries in inner bark or outer sapwood and as hyphae in the sapwood. Asci evanescent. Ascospores allantoid, 0-septate, 3–5 × 1–1.5 μm, hyaline, oozing out of the ostiole and forming a spore ball at the tip. Conidiogenous cells denticulate. Conidia produced sympodially on the denticles, clavate, curved, 0-septate, 4–10 × 1–1.5 μm, smooth, hyaline.

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

Notes: Ceratocystis coronata should be placed in Ophiostoma but the combination has not yet been made.

Significance: None. Does not cause staining of wood.; Host(s): Pinus nigra subsp. nigra, P. radiata.