A common species throughout Belgium. The species is resident but populations are regularly reinforced by immigration.

The larvae live in a slight web on the underside of the leaves of Brassica or other species of Cruciferae. Pupation in an open network cocoon on the foodplant or amongst detritus on the ground. The pupa hibernates.

The adults have been observed in Belgium from early April till the end November. There are two to three generations per year which can not be separated. The moths come to light.