Pest Management Reporter
Industry Intelligence for Pest Management Professionals & Homeowners
Food Storage Pests  —  Pantry Insects
Pantry Pests • Indian Meal Moth • Grain Weevil • Flour Beetle • Missouri

Pantry Pests in Missouri: Identifying and Eliminating Stored Product Insects

Pantry pest infestations in Missouri homes almost always originate in a single infested product — a bag of grain, flour, birdseed, or dried pasta that was already infested at the store or processing facility. Finding and removing that source is the entire solution; chemical treatment of pantry areas is almost never necessary and is generally not recommended where food is stored.

Pest Management Reporter Staff  •  Pantry & Food Storage Series

Common Pantry Pest Species in Missouri

The Indian meal moth (Plodia interpunctella) is the most commonly reported pantry pest in Missouri — the small moths with distinctive copper-banded wing tips that emerge and fly in kitchens in the evening are typically from larvae feeding in stored grain products, dried fruit, nuts, or pet food. The larvae spin silk webbing in the food and near container lids. Grain weevils (Sitophilus species) are small brown-black beetles with a characteristic snout that infest whole grain products — rice, wheat berries, corn kernels. Flour beetles (Tribolium species) are found in flour, cake mixes, and processed grain products. Sawtoothed grain beetles are flat, narrow beetles that penetrate even sealed cardboard packaging.

Finding the Source and Resolving the Infestation

Resolution requires a complete pantry inspection — every grain, flour, dried fruit, nut, pet food, and spice container must be checked for larvae, webbing, or adult insects. Infested products go directly into a sealed plastic bag and out of the home. The pantry should be vacuumed, shelves wiped, and all remaining dry goods transferred to sealed glass or hard plastic containers with tight-fitting lids. Cardboard and thin plastic are not pantry pest barriers. Pheromone traps for Indian meal moth adults help monitor for reinfestation after the source is removed but do not control infestations on their own. D&D Pest Control serves Franklin County and rural Missouri — visit ddpestcontrolmo.com.