Type: Xylophilous Fungi; Description: Ascomata perithecial, scattered, superficial, globose with a neck 20–40 μm long, dark brown to black, 0.1 mm in diameter, perithecial necks dark brown to black but much lighter at the apex, ostiolar hyphae up to 15 μm long, convergent, pale brown to hyaline; in bark beetle galleries in inner bark or outer sapwood and as hyphae in sapwood. Asci evanescent. Ascospores fusiform, 0-septate, 20–33 × 1–2 μm, smooth, hyaline, emerging from the ostiole in long cirri. Conidiophores pale brown, up to 70 m long; conidiogenous cells tapering towards the apex, 18–40 em long. Conidia produced endogenously, cylindrical, 0-septate, 4–8 × 1–2 μm, smooth, hyaline, with a truncate base, produced in chains.

Distribution: Auckland, Coromandel, Taupo.; 1st Record: Hutchison & Reid (1988a: as Ceratocystiopsis falcata).

Significance: None. Does not cause staining of wood.; Host(s): Larix kaempferi, Pinus radiata.