The sawtoothed grain beetle is not attracted to light and it does not fly.

Can grain beetles fly?

Foreign grain beetles are about 1/12 inch long and reddish brown. ... While foreign grain beetles readily fly, they are hard-shelled (fruit flies are soft-bodied) and fold their wings out of sight when they land. These insects have also been confused with bed bugs.

Do merchant grain beetles have wings?

Adults are about 1/8 inch long and dark brown, with a flattened body. Wings are well developed. Its larva is less than 1/8 long, yellowish-white in color and is elongated, with no cerci-like protrusions on its tail, and three-segmented antennae on its head.