Pantry Beetles: Identification Behavior, and Control

Pantry beetles, also known as stored product pests, are a group of beetles that infest stored food products in pantries, kitchens, and food storage areas. These beetles can cause contamination and damage to a wide range of pantry staples, including grains, flour, cereal, nuts, dried fruits, spices, and pet food. Understanding their identification, behavior, and control methods is crucial for effectively managing pantry beetle infestations.

Latin Name

Various species, including Tribolium confusum (confused flour beetle), Sitophilus granarius (granary weevil), and Stegobium paniceum (drugstore beetle).

Behavior and Habits

Pantry beetles typically access homes through infested food products brought from stores or warehouses. Once inside, they can reproduce rapidly, leading to widespread infestations. These beetles can chew through packaging materials, allowing them to contaminate multiple items. They feed on various pantry staples, laying eggs and leaving behind larvae, webbing, or excrement, which are all signs of an infestation.

Pantry Beetle


Pantry beetles comprise various species, each with its own unique characteristics. However, there are some common features and signs to look for:

  1. Confused Flour Beetle: Tribolium confusum
  • Approximately 1/8 to 1/4 inch long.
  • Reddish-brown color.
  • Pronotum (area behind the head) has distinct grooves.
  • Infests flour, cereal, pasta, and other grain-based products.
  1. Drugstore Beetle: Stegobium paniceum
  • Approximately 1/8 inch long.
  • Reddish-brown color.
  • Oval-shaped and slightly flattened body.
  • Infests a wide range of stored food products, including spices, dried fruits, herbs, and prescription drugs.

Extermination Techniques

  1. Identification and Inspection: Properly identify the type of pantry beetle infestation to determine the most effective control methods. Inspect all food storage areas, including cabinets, pantry shelves, and containers.
  2. Sanitation and Disposal: Dispose of infested food items in sealed plastic bags and remove them from the house. Thoroughly clean and vacuum-infested areas to eliminate larvae, adults, and potential food debris.
  3. Storage Practices: Store food products in sealed containers made of glass, plastic, or metal to prevent beetle access. Regularly check stored items for signs of infestation, such as webbing, larvae, or beetles.
  4. Temperature Control: Lowering the temperature in infested areas can help control pantry beetles. Consider freezing infested food items for a few days to kill any larvae or beetles present.
  5. Professional Pest Control: In severe infestations or persistent problems, seek the assistance of professional pest control services. Experienced technicians can assess the extent of the infestation and implement targeted treatments to eliminate pantry beetles effectively.


If you suspect that pantry beetles have infested your property, contact us for an expert inspection. We will help you confirm the type of infestation and the best course of treatment. Schedule your free inspection now! We offer a 100% satisfaction guarantee.