Only observed in two provinces of Belgium, but probably overlooked in many places.

The larva lives in bird's nests, on stored products of vegetable origin like flour, corn, felt and textiles, or on a variety of refuse of plant or animal origin.

The adults have been observed from early May till September. Indoors, there are several generations a year.

ID: The ground colour of the hindwing is whitish grey which distinguishes the species from M. obviella where the ground colour of the hind wing is dark fuscous.