Wildlife Wednesday: American Cockroaches Surge with Recent Rainfall

Three close-up images of American Cockroaches with the text: Wildlife Wednesday

Wildlife Wednesday: American Cockroaches Surge with Recent Rainfall

As we experience more frequent and heavier rainfalls, many homeowners are noticing an uptick in pest activity, particularly American cockroaches. These pests are not only a nuisance but can also pose health risks by spreading bacteria and triggering allergies. Here's what you need to know about American cockroaches and how to keep them at bay during the rainy season.

Why Rain Increases Cockroach Activity

American cockroaches prefer warm, moist environments and are often driven indoors when their outdoor habitats become saturated with water. Heavy rains can flood their underground hiding places, prompting them to seek refuge in homes and businesses. Once inside, they look for food and damp areas to settle.

Identifying American Cockroaches

American cockroaches are one of the largest species of common cockroaches, measuring about 1.5 inches in length. They are reddish-brown, with a yellowish figure 8 pattern on the back of their heads. If you see one, it's likely there are more hidden nearby.

Preventing and Controlling American Cockroaches

Seal Entry Points

Check your home for any cracks or holes in the exterior walls, especially near ground level, and seal them with caulk or another appropriate material. This can prevent cockroaches and other pests from entering.

Reduce Moisture

Since cockroaches are attracted to moisture, reducing dampness can help deter them. Use dehumidifiers in damp areas, fix leaky pipes, and ensure that gutters and downspouts are clear to direct water away from your home.

Keep It Clean

Regularly take out the trash, clean up any spills or crumbs immediately, and store food in sealed containers. A clean kitchen is less inviting to a hungry cockroach.

Professional Pest Control

Sometimes, despite your best efforts, you might need professional help. Pest control experts can offer more comprehensive solutions, including baits, traps, and sprays designed to effectively manage cockroach populations.


American cockroaches are a common problem, especially following heavy rainfalls. By understanding their behavior and taking proactive steps, you can keep your home cockroach-free. Remember, if the situation becomes overwhelming, Paragon Pest Control is just a call away. We're experts at reclaiming your space from pests, ensuring your home remains safe and comfortable.

Interested in more tips on managing pests? Visit Paragon Pest Control's website for more information and expert advice.