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Closeup of a beetle crawling on a grain of rice - Keep beetles out of your home with City Termite & Pest Control in Malvern, AR

Drugstore Beetle

Actual Size: 2.25 mm to 3.5 mm

Characteristics: Brown to reddish-brown; cylindrical with humpbacks.

Legs: 6

Antennae: Yes, and they are segmented and gradually enlarged towards the ends.

Wings: Yes, and are able to fly.

Habitat: Found infesting stored food products such as flour, grains, spices, dried herbs, as well as non-food items like books and leather.

Habits:

  • Also referred to as the bread beetle or biscuit beetle.
  • Females have the capability of depositing over 100 eggs in a single laying.
  • Will consume herbs and plants used in drug formulations. 
  • Most damage is done during the larval stage as they inhabit, consume, and discharge waste within the products they’ve infested.


Drugstore Beetles in Central Arkansas

Commonly found in stored foods, seeds, and other materials, the drugstore beetle, also called the bread beetle or biscuit beetle, has earned its name due to its tendency to consume herbs and plants used in drug formulations. They will even eat those containing poisonous compounds such as belladonna and strychnine. The larvae of this beetle cause notable damage by tunneling through food, herbs, and plants, creating holes, ruining products, and rendering the food unfit for consumption.

Drugstore Beetle Habitat

Living in predominantly warmer climates, the drugstore beetle is found globally, especially in homes and buildings with controlled climates. Females of this species deposit eggs in virtually any dry organic substance. Among the materials commonly infested are seasonings, grains, pet foods, books, wooden objects, and even aluminum foil. Adult drugstore beetles exhibit flight capability, and wood-boring behavior, and are identified by their swift, darting movements.

Drugstore Beetle Behaviors, Threats, or Dangers

Drugstore beetles are not known to bite humans or transmit diseases. However, they are considered unwelcome pests due to the havoc they wreak on homeowners and businesses. The larval stage is where they inflict the most harm, living, consuming, and excreting waste within the items they infest. With a female’s ability to lay over 100 eggs at once, entire batches of food products can become unsellable. Consequently, a drugstore beetle infestation in a home pantry or business can result in significant financial losses. If you are having an issue with drugstore beetles, it is best to consult a professional pantry pest control company for removal.