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Drugstore Beetles
Drugstore Beetles

Drugstore Beetles

Drugstore Beetle LarvaDescription:

  • Color: light brown to red-brown.
  • Size: adults and larvae are 1/16 to 1/8 inch long.
  • Humpbacked appearance; the head is not visible.
  • Pits on their wing covers are arranged in long rows.
  • Antennae end in a distinct club composed of three elongated segments.
  • Larvae are C-shaped, relatively hairless, and do not have a fuzzy appearance.

Habits of Drugstore Beetles:

  • Females lay their eggs singly in or near the food they are infesting.
  • Developmental time (egg to egg): about seven months.
  • In houses, it is generally thought that drugstore beetles have one generation per year.
  • They readily penetrate packaging materials.
  • Adults can fly and are attracted to light.

Damage Caused by Drugstore Beetles:

  • Feed upon all types of foods and spices, leather, wool, hair, books, drugs, and museum items.

Look for:

  • Evidence of infestation in stored products and storage areas.

How to Control and Kill Drugstore Beetles:

  • Heavily infested materials should be discarded.
  • An alternative to disposal is heat treatment (140 to 176 F for several hours) which kills all life stages of the drugstore beetle.
  • Pheromone traps are available and can be used to identify areas of activity.
  • Books and manuscripts, furniture, and other infested materials that are not easily replaced might need to be fumigated by a professional in order to control drugstore beetles.
  • Pesticide applications are supplementary to the elimination of infested material and should never be used as the sole means of control.

Innovative Pest Management serves the Washington, D.C., Northern Virginia, and Maryland area. Call us at (240) 755-0077 to schedule a free quote or appointment.