Pests To Watch Out For In The Fall
What’s In This Guide

When summer comes to a close and fall begins to set in, there are numerous changes to account for. From the dips in temperature to preparing your home and family for the string of holidays, autumn is pretty much the definition of change. And that goes for the critters of the world too, because there’s a new round of pests that may affect you and your homes as we move into cooler months.
For the most part, pests like flies and mosquitoes die off in the fall and winter. Unfortunately, though, many of the pests that wreak havoc on your lawns and homes in the summer start to move inside in the fall, and that’s because many of these pests can’t survive outdoors as temperatures drop.
“Insects don’t technically hibernate in winter but many go into diapause, a dormant state that allows them to withstand cold temperatures,” said Brian Kunkel, a University of Delaware entomologist. This technique allows many of the pests you see thriving in the summer to survive some of the harshest winters.
With this in mind, let’s take a look at pests you should be looking out for as the fall season rolls in.
Spiders

- American house spider
- Cellar spider
- Domestic house spider
- Cupboard spider
These house spiders typically enter your residence through their eggs that are embedded and laid in furniture, wood flooring, and the walls of your home. They feed on other pests like mosquitoes, flies, and cockroaches, so they can actually be helpful to your home—almost like a natural (and free!) home pest service.
Cockroaches
If cockroaches can’t find their way into your home, they try to find piles of leaves and shrubbery outside to stay warm. They typically die once temperatures dip below freezing, though.
Cockroaches will also set up shop in sewer drains, walls, and basements in order to find warmth. The only place to then go for food and water is inside. Cockroaches can carry a wide range of diseases like the plague, salmonellosis, and typhoid fever. They can also trigger asthma attacks, so it’s imperative you keep an eye out for cockroaches and take the necessary steps to prevent them from proliferating.

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Bees, fleas, mosquitoes, and ticks are just a few of the many common pests to expect on your next outdoor adventure. While facing them is inevitable, there are ways to prevent them from invading your space.
Ants
Researchers at Texas A&M actually suggest the fall as a perfect time to set up traps for ants, particularly fire ants, and especially if they’re near or around your home.

Bees and Wasps
Most species of bees use the fall as a last-minute effort to store up enough honey in their hives. “As the days shorten, the bees know it’s time to go into this food-gathering mode,” said Debbie Delaney, a researcher at the University of Delaware. Bees aren’t trying to sting you or ruin your outdoor fun.” As for wasps, the fall is also prime feeding time because fallen fruit and nectar is in abundance, so they are particularly active.

Prevention
Clear up outside
As mentioned before, many of these pests hide in piles of leaves and bushes during the winter to try to stay warm. Make sure to consistently rake leaves and make sure too much shrubbery doesn’t pile up on your lawn, especially the closer you get to your home.
Clean inside your home
When inside your house, pests thrive off leftover food and water. Scrub counters and wipe them down to make sure no crumbs or standing water are leftover for cockroaches and rodents to feed off while you’re sleeping. Also make sure that trash cans are tightly sealed and aren’t left sitting around if full. Just as pests seek warmth in piles of debris outside, they do the same indoors, so clean up accumulations of clothes and laundry.
Check for holes and clearings from outside of your home
Pests need to get into your home somehow. Clearings at the base of your home give way for pests to enter through the basement and pipings underground. Also, holes near gutters give pests an entryway into your walls, where they’ll live all season long if you’re not careful.
You should watch out for what you decorate your home with in the fall, too. It’s tempting to place pumpkins, aromatic wood chips, and scarecrows in and around your home, but piles of straw, wood, and rotting food are all attractive to pests. Make sure to solve your initial pest problem before deciding to decorate your home with fall decor.
If you still see a pest presence after tidying up your home to the best of your ability, contact a professional for help.