Most effective control is to monitor for holes in the kernels. If noticed, empty the bin as soon as possible. There are sawtooth projections coming off of the thorax. Tenebrionidae Tenebrio spp. Larvae feed and molt until winter.
Wing tips are reddish-brown, rest of wings are light gray or yellow.
Adults is small and reddish-brown in color. Foreign Grain Beetle Damge Larvae and adults feed primarily on the mold growing on grains. Curculionidae Sitophilus spp. Adults vary in color from dull red to black.