Confused flour beetle

Scientific Name: Tribolium confusum

Order & Family: Order: Coleoptera, Family: Tenebrionidae

Size: 3.0 to 4.5 mm (1/8 to 3/16 inch)

Confused flour beetle

Natural Habitat

Pantries, food storage areas, and grain processing facilities worldwide.

Diet & Feeding

Stored grains, flour, cereal, dry pet food, nuts, and spices. They do not feed on whole kernels but rather grain dust.

Behavior Patterns

Adults can live for up to a year; they are nocturnal and very active but cannot fly. They lay eggs directly into their food source.

Risks & Benefits

A major agricultural and household pest that can ruin food stores and produce a foul odor when present in large numbers; they do not bite or sting humans.

Identified on: 4/30/2026