The sawtoothhed grain beetle gets its common name from the 6 teeth located on each side of the prothorax. It is one of the most important pests of stored products found in the home and grocery stores. It is worldwide in distribution
Adults about 1/8" (2.5-3 mm) long with body flattened. Color brown. With 6 sawlike teeth on each side of prothorax. Length of temple ( region directly behind eye) greater than half the vertical diameter of eye. Wings well developed but not observed in flight.
The sawtoothed grain beetle does considerable damage to grains by it cannot attack sound kernels. Its flat body form permits access through very small cracks and into imperfectly sealed packages. Adults are not known to fly and are not attracted to light.