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How Fleas Get Inside Pennsylvania HOmes

How Fleas Get Into Our Homes

Fleas are common pests in Pennsylvania, particularly cat fleas, scientifically known as Ctenocephalides felis. Don't let their name fool you; cat fleas are equal-opportunity biters, meaning they will feed on whatever host is available.

While they have a hard time taking a human as a permanent host, they have no trouble grabbing a quick blood meal from a passing human, usually around the lower legs, ankles, or feet.

How is it that these blood-eating pests get into our homes? The obvious answer is that they come in on our pets. But there is a lot more to it. Let's explore this issue.

a cat flea crawling across a human in pennsylvania


A flea infestation doesn't begin in your home, and it doesn't begin in your yard either. So where do flea infestations come from, then? Well, they begin out in nature. If you live in an urban area, that nature may be a small, peri-urban forest. It may also be a city park or a property in your neighborhood that is overgrown with weeds and vegetation. Fleas take animals as hosts in order to feed, reproduce, and thrive, and those host animals are how the fleas are introduced into your yard. Therefore, every step measure you take to protect your yard from wildlife activity will impact the flea populations in your yard. It is vital that you make this connection.

  • Install a fence around the perimeter of your property.

  • Make sure your exterior trash is sealed and secure.

  • Put bird feeders at least 20 feet from your home and outside of pet play areas.

  • Store woodpiles, construction materials, and other objects animals can hide in away from your exterior walls.

  • Keep your landscaping trimmed so that animals don't feel safe exploring areas close to your home.

When wild animals that have fleas come into your yard, they are likely to drop flea eggs wherever they go. If flea eggs and flea feces, also called flea dirt, are dropped in a shaded location that has enough moisture, those flea eggs will have everything they need to develop into adult fleas in your yard. This can create a huge problem for you, your family members, and your pets.


Once in your yard, the next logical step for those fleas is to find a way into your home. The most obvious way that fleas find their way into our homes is on our cats and dogs. When our pets explore locations around our home where fleas are hiding, they can pick them up and bring them inside.

One way dog owners can protect their pets from picking up fleas is by creating a fenced-in outdoor play area for their pet. This keeps their dog from getting into shaded areas and damp vegetation where fleas are often found. It also helps to keep wildlife out of that area and prevent them from depositing fleas in those areas

Cat owners can also have a hard time keeping fleas of their pets. One of the best ways to keep your kitty from picking up fleas is to keep them inside. However, if you have an outdoor cat, there are still steps you can take to lessen the chances of them picking up fleas.

With both cats and dogs, flea collars and veterinarian-prescribed flea control products can play a big part in keeping them from picking up fleas and introducing them into your home.


Dogs and cats aren't the only furry animals that can bring fleas into your home, however. Though there are many wildlife pests that are capable of introducing fleas inside, rodents are the worst and most common offenders. While most invading wildlife animals will be content remaining in your attic or wall voids, mice and rats have the tendency to explore every floor of the homes they are invading in search of food, water, and shelter sources. This is important to understand because fleas aren't going to find their way from your attic to the common areas of your home on their own. They need an animal to bring them down, and mice and rats are more than happy to oblige!

The Big Picture

When it comes to preventing flea infestations, controlling the path fleas take to get in is only one part of solving the problem. With a residential pest control program, monitoring for rodent activity may be part of your plan. It is important to find out as rodents commonly carry fleas inside with them when they invade. If you have Complete Home Guard from Moyer Pest Control, you can rest assured knowing that coverage for mice and rats is included.

The second part of solving the problem is to reduce fleas in your yard. This can be done by controlling wildlife activity on your property, as mentioned above. But it can also be done with appropriate treatments applied to locations fleas are likely to hide. This is something else you should look into concerning your residential plan. If you have them, find out if the treatments your pest professional applies work to control fleas. If you're a Moyer customer, flea reduction services are part of Complete Home Guard and Platinum Home Guard services.

If you don't have ongoing pest control service for your home and you live in our extensive Pennsylvania, New Jersey, Delaware, and Maryland service area, find out how the residential pest control services from Moyer can work to protect your health and your property from harmful pests! Reach out to us today!

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