What You Can Do

Controlling foreign grain beetles begins with a thorough inspection. Throw away food that the beetles have infested and eliminate any moisture problems. This will get rid of any mold or fungus that the beetles might have been eating.

Appearance

• Color: They are reddish brown in color.
• Size: The adults range in size from 2 to 3 mm.
• Characteristics: When viewed from above, the shell behind the head has rounded projections on the front corners. These projections may be easier to see with a magnifying glass.

Habitat

While foreign grain beetles are known to infest grain storage facilities, they commonly inhabit a variety of places such as:

• Damp walls
• Forgotten food packages
• Humid bathrooms

Diet

The foreign grain beetle is a scavenger, with a typical diet consisting of:

• Dead insects
• Fungus
• Moldy grain

Reproduction

The female beetle lays eggs on food material in a warm and humid environment. The life cycle, from egg to adult, takes about three weeks.