The genera Sinella and Coecobrya are reported from New Caledonia for the first time, with four new species: Sinella quadriseta sp. nov., S. claviseta sp. nov., S. copiosa sp. nov., and Coecobrya neocaledonica sp. nov. Sinella species studied here exhibit several morphological features that are not found in other non-cave species of the genus: paired teeth on inner edge of unguis closer to the b...

The genus Willowsia is reported for the first time from New Caledonia. Two new species, W. neocaledonica sp. nov. and W. nigra sp. nov., are described based on material deposited at the Muséum National d'Histoire Naturelle, Paris. The new species can be distinguished from other members of the genus by coloration and characters of the dorsal chaetotaxy of the head and terga.