Ochsenheimeria vacculella, the cereal stem moth, is a moth of the family Ypsolophidae. It is found in most of Europe, except Ireland, Norway, Portugal, Italy and most of the Balkan Peninsula.[1] The species was accidentally introduced into parts of the United States.
The wingspan is 11–14 mm (0.43–0.55 in).[2] Adults are on wing in July and August.[3]