|University of Kentucky Entomology|
by Michael F. Potter, Extension Entomologist
University of Kentucky College of Agriculture
Identification and Habits
They prefer to feed in dark, undisturbed areas such as closets, attics, within boxes where woolens and furs are stored, along and under the edges of carpeting, underneath upholstered furniture, and in air ducts where they feed on lint, pet hair and other bits of debris.
Carpet beetle infestations may also originate from bird or animal nests or an animal carcass present in an attic, chimney or wall void. They also occasionally feed on seeds, pet food or cereal products in the kitchen or pantry.
The best way to avoid carpet beetle problems is through prevention. Woolens and other susceptible fabrics should be dry cleaned or laundered before being stored for long periods. Cleaning not only removes perspiration odors that are attractive to the beetles, but also kills any eggs or larvae that may be present. Articles to be stored should then be packed with moth balls or flakes in tight-fitting containers. Insecticides should not be used to treat clothing. However, mothproofing solutions may be applied to susceptible clothing by professional dry cleaners.
Routine vacuuming effectively removes carpet beetles which are already present, as well as hair and lint which could support future infestations. Particular attention while vacuuming should be paid to the edges of carpets, along baseboards, underneath furniture and similar "quiet" areas where carpet beetles prefer to feed.
Insecticide applications directed into infested areas are often useful as a supplement to good housekeeping. Products containing active ingredients such as chlorpyrifos, permethrin, bendiocarb and allethrin are effective against carpet beetles. Sprays may be applied to carpets (especially beneath and along the edge adjacent to the baseboard), underneath furniture and other likely areas of infestation where prolonged contact with humans is unlikely. Clothing and bedding should not be sprayed and should be removed before treatment.
Control of carpet beetles requires patience and a thorough inspection to locate all sources of infestation. Elimination of widespread, ongoing infestations may require the services of a professional pest control operator.
CAUTION! Pesticide recommendations in this publication are registered for use in Kentucky, USA ONLY! The use of some products may not be legal in your state or country. Please check with your local county agent or regulatory official before using any pesticide mentioned in this publication.
Of course, ALWAYS READ AND FOLLOW LABEL DIRECTIONS FOR SAFE USE OF ANY PESTICIDE!
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