A study of fungi developing from forest leaf litter collected in New Caledonia was conducted using the damp chamber method. This first contribution reports on taxonomic and biologie characteristics of the following less common or rare dematiaceous hyphomycetes representing new additions to the mycoflora of this island: Beltraniella portoricensis (F.L. Stevens) Pirozynski & Patil, Nakataea fusispora (Matsushima) Matsushima, Paliphora aurea Sivanesan & Sutton, Pleurothecium recurvatum (Morgan) Höhn., and Speiropsis scopiformis Kuthubutheen & Nawawi.