Bug Identifier
Broad-horned Flour Beetle
Community identification

Broad-horned Flour Beetle

Gnatocerus cornutus

Order & Family
Order Coleoptera; Family Tenebrionidae
Size
3.5 to 4.5 mm in length
See this bug in the Encyclopedia

Natural Habitat

Found globally in flour mills, bakeries, warehouses, and domestic pantries where grain products are stored.

Diet & Feeding

Feed on flour, cornmeal, semolina, and cereal products, sometimes consuming other insects or their own eggs and larvae.

Behavior Patterns

They are nocturnal and avoid light; males possess conspicuous horn-like mandibles used for sparring with other males for territory and mates.

Risks & Benefits

A significant pest of stored food products that can cause economic loss through contamination; they do not bite or sting but render food unfit for consumption.