Spray for insects in the fall and prevent summer infestation

A pest problem in your home is certainly disgusting. In addition to the unwanted presence of creepy crawling invaders, many pests also carry diseases that create unsanitary conditions. Some can even cause serious damage to your home. A full-blown infestation can be extremely difficult to eradicate, which can cost you a lot of time, money, and effort.

That’s why the best pest control practices are preventative practices that keep insects out of your home and stop infestations before they start. Developing a pest prevention program includes periodically spraying your home for insects to discourage their presence and stop them before they begin to nest and breed. Timing is crucial here, so we’ll discuss the best time of year to spray your home for bugs and why it can make or break your pest control strategy.

When to spray the house against insects

Insects follow a predictable life cycle, so you can schedule sprays at the same time each year when they are most vulnerable to the chemicals and methods used.

winter bug activity

During the winter months, insects are dormant and hibernating. They have found a safe place to take refuge for the winter, but many of them will not survive until spring. They won’t be bothersome during this time, so you might not even know if bugs are around or what kind of critters might be crawling around.

Spring bug activity

When spring arrives, insects that have survived the winter begin to emerge from hibernation in search of a safe place to nest and breed. During this time, they are fewer in number, they are weak and foraging for food. This is, by far, the most important time of year to spray insects, especially if you have a history of infestation. If any bugs survived the winter, a spring spray will wipe them out before they have a chance to breed and take over your home.

summer bug activity

In summer, insect colonies are at their peak in strength and number. They fed, reproduced and multiplied to the point where you see evidence of their activity as well as actual insects much more often. When you have an insect problem in the summer, you will need more aggressive extermination techniques, even fumigation.

Fall bug activity

Once the weather starts to cool off, these little creatures start looking for a good place to hibernate. Even if you didn’t have a pest problem in your home over the summer, it may still be susceptible to a fall invasion as they begin to seek shelter. At this time, you may not even notice their presence. They are stealthy during this time as they seek out dark, hidden spaces to burrow and hibernate.

Fall pest treatments keep insects out, instead of killing those already inside. Typically, this includes perimeter spray treatments. These methods completely prevent pests from entering your home so that they do not appear en masse in the spring and summer.

Pest control professional in white suit spraying outside house

How to spray in the fall

Spraying pesticides around the perimeter of your home is an easy project that doesn’t always require hiring professional pest control services. You can buy pre-mixed, ready-to-use liquid insecticide sprays that attach directly to your garden hose. Then you can just walk around the perimeter of your house and spray.

Tips for spraying liquid insecticide:

  • Wear long sleeves, pants and other appropriate PPE. Insecticides contain harmful chemicals that can burn skin and irritate lungs. Check the label for information on how to protect yourself when using the spray, but most experts recommend wearing goggles, gloves, and even masks to avoid harming your body.
  • Use an impermeable insecticidal mixture if your area receives a lot of rain in the fall. This will prevent the substance from simply washing off the next day.
  • Spray in the direction of the wind to avoid covering themselves with insecticide.
  • Spray the bottom three feet of the foundation of your house, as well as a foot of land that extends from the foundation.
  • Spray areas with access to the house such as vents, holes where cables and wires enter, and door and window frames.
  • Spray in continuous line to avoid gaps in the treatment through which insects can sneak. Again, these are stealthy little guys…
Pest control professional person spraying kitchen counter

Other Fall Pest Prevention Tips

When the weather turns cold, make it as difficult as possible for pests to get into your home with these fall pest prevention tips:

  • Check windows and doors for gaps and seal them.
  • Check your home’s siding for cracks or gaps and seal them with caulk.
  • Check your dryer vent and make sure there are no holes or gaps where insects can enter.
  • Use expanding foam to fill any gaps or damage in the soffit.
  • Rake mulch and soil away from your foundation. This discourages the presence of insects as it removes their cover while they search for a way in.
  • Cut bushes away from your house.
  • Seal known pest entrances with copper mesh and expanding foam.

When summer comes to an end, your pest problems are not always solved. When the weather starts to get colder, the insects begin their search for safe shelter from the cold, and your home is nice and toasty. Preventative pest control methods, such as perimeter spraying and gap sealing, are key to preventing insects from hibernating in your home over the winter. If you don’t let them into your home in the fall, they won’t have a chance to infest in the summer.

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