
Community identification
Broad-horned Flour Beetle
Gnatocerus cornutus
- Order & Family
- Order Coleoptera; Family Tenebrionidae
- Size
- 3.5 to 4.5 mm in length
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.