Red Flour Beetle

Tribolium castaneum

Stored Product Pests

Similar to confused flour beetle but can fly. Last three antennal segments abruptly club-shaped. Common pest of stored grains and flour. Secretes quinones that give infested products pink tint and bad odor.

Red Flour Beetle (Tribolium castaneum) - Professional pest control identification guide

Control Methods

Recommended methods for controlling this pest

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MethodTypeEffectivenessRequirements
Pheromone Trap MonitoringNon-Chemical
None
Stored Product Pest IGR TreatmentChemical
Required
Structural Fumigation for Stored Product PestsChemical
Required

Common Harborage Locations

Where to find this pest during inspections

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LocationWhy Found TherePriority
Kitchen Cabinets
Proximity to food sources, crumbs and spills, warmth from nearby appliances, dark undisturbed corners.
Critical
Pantries
Concentrated food sources, packages provide harborage, often undisturbed for long periods, dry environment.
Critical
Important Disclaimer: The information provided in this knowledge base is for educational and reference purposes only. Pest management professionals should always consult current product labels, Safety Data Sheets (SDS), manufacturer instructions, and applicable local, state, and federal regulations as the definitive source of truth. Product formulations, application methods, safety requirements, and regulations may change over time. This information may be out of date and should not replace professional judgment, proper training, or required licensing and certifications.