Bernierinyssus is a genus of feather mite in the family Pteronyssidae, endemic to Madagascar.

[2] In 2020, the genus Bernierinyssus was created to accommodate B. oxylabis and five additional species.

Prodorsal shield trapezoidal or pear-shaped, occupying median area of prodorsum, not encompassing setae c1; scapular setae se and si situated on this shield, or se in its lateral incision.

Surface of coxal fields I, II covered with striated tegument.

[1] Species of Bernierinyssus are morphologically most similar to the genus Sturnotrogus,[1] which are ectoparasites of starlings (Sturnidae).