dults – 3/4" long. They are shiny, dark–brown or black.
Larvae are honey–yellow, they have a smooth, highly polished, shiny, elongate, hard, worm-like body, and can grow to 1 3/16" long.
Lifecycle
Each female lays about 275–600 eggs singly or in clusters during the spring. They are white, bean-shaped and about 1/32" long and hatch into larvae in 4 to 14 days.
The pupal stage lasts 7 to 24 days during the spring. Pupae are first white, turning yellow, and are not enclosed in a cocoon.
Adults emerge in the spring or early summer, living for two to three months.
Habits
It is an important post–harvest pest and occurs spread all over the world.
Adult beetles are attracted to night-lights, are strong fliers, and are found in dark places.