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Types of Beetles That Could Be in Your Home

Nov 15, 2023 - By the dedicated team of editors and writers at Newsletter Station.

Beetles are among the most diverse and numerous insects on the planet, with over 350,000 known species worldwide. While many of these fascinating creatures play essential roles in ecosystems, some beetle species can find their way into our homes.

In this blog post, we'll explore some common types of beetles that could invade your living space and discuss ways to identify and manage these unwelcome houseguests.
  1. Carpet Beetles (Dermestidae family)
    Carpet beetles are among the most common types of beetles found indoors. They earned their name due to their tendency to infest carpets, rugs, upholstery, and other fabric materials. These small, oval-shaped beetles measure around 1/8 to 1/4 inch in length and come in various colors, including black, brown, and mottled patterns. Carpet beetle larvae are the real culprits, as they feed on natural fibers, such as wool, silk, and feathers.
    Regularly vacuum your carpets, upholstery, and stored clothing items to prevent carpet beetle infestations. Proper storage and cleanliness are essential in keeping these pests at bay.
  2. Powderpost Beetles (Bostrichidae family)
    Powderpost beetles are wood-boring insects that can damage structural wood in homes. They are typically small, measuring about 1/8 to 1/4 inch in length, and range in color from reddish-brown to black. Adult powderpost beetles are not the primary concern; their larvae tunnel into the wood, leaving powdery, sawdust-like frass behind.

    To prevent powderpost beetle infestations, ensure proper ventilation and reduce humidity in your home, as these pests attract damp wood. Regularly inspect and treat wooden furniture, flooring, and structural elements with appropriate wood treatments.
  3. Ladybugs (Coccinellidae family)
    Ladybugs, or ladybirds or lady beetles, are beneficial insects because they feed on aphids and other garden pests. However, they can seek shelter in your home during the fall and winter months, becoming unintentional houseguests. Ladybugs are typically round or oval, brightly colored with red or orange bodies and black spots.

    While ladybugs are harmless, their presence indoors can be a nuisance. Seal any cracks or gaps in windows and doors to prevent them from entering your home. If they do get inside, carefully collect and release them outdoors.
  4. Sawtoothed Grain Beetles (Oryzaephilus surinamensis)
    Sawtoothed grain beetles are common pantry pests that infest stored food products such as grains, cereal, flour, and pasta. They are small, flat, and brown, with six saw-like projections on each side of their thorax, giving them their distinctive name.

    To prevent sawtoothed grain beetle infestations, store dry food items in airtight containers, inspect food packages for signs of damage before purchase, and clean your pantry regularly.
  5. Drugstore Beetles (Stegobium panicum)
    Drugstore beetles are small, reddish-brown insects that infest dried herbs, spices, grains, and even prescription drugs. They earned their name due to their historical presence in drugstore products. These beetles can easily infiltrate your pantry and contaminate your food.

    To keep drugstore beetles at bay, store dried food items in sealed containers, discard expired items, and inspect incoming goods for signs of infestation.
While not all beetles threaten your home or well-being, it's essential to be aware of the potential invaders and take preventive measures to keep them at bay. Regular cleaning, proper storage, and maintenance can go a long way in protecting your home from beetle infestations.

If you suspect a significant beetle problem, it may be wise to consult with a pest control professional to address the issue effectively and efficiently.
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