Pasiphila debiliata, the bilberry pug, is a moth of the family Geometridae.

It is found from Europe, east to southern Siberia, the Amur region and Japan.

The ground colour is a very delicate, evanescent pale green, the crosslines are much weak, strongest on the veins.

nigropunctata Chant, has only the principal lines, these being marked as strong vein-dots.

The larva is light green with scattered, fine, pale bristles.