Bug Identifier
Red flour beetle (likely)
Community identification

Red flour beetle (likely)

Tribolium castaneum

Order & Family
Coleoptera; Tenebrionidae
Size
Adults are about 3–4 mm long; the pictured insect appears consistent with this size and shape.
See this bug in the Encyclopedia

Natural Habitat

Stored-grain products, pantries, mills, warehouses, and occasionally bait or kitchen areas.

Diet & Feeding

Adults and larvae feed on flour, meal, cereal, grain dust, dried pet food, and other processed grain products.

Behavior Patterns

Adults are reddish-brown, nocturnal, and often hide in packaging or cracks. Females lay eggs in food material; development is fastest in warm, humid conditions.

Risks & Benefits

They contaminate stored food with bodies, feces, and odor, but do not bite or transmit significant human disease. They have minor ecological value as decomposers and prey.