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What Pests are Most Common During the Winter Time in Los Angeles?

Most people think that during winter, pest control isn’t a concern they need to have. While it’s true that certain pests are away for the winter, there are still some issues you need to keep an eye out for. As always, pests are after three things: food, water and shelter. This is especially true during the winter when natural food sources are scarcer, and the temperatures drop. In LA, since temperatures drop slightly, but not dramatically, you might even see an increase in “winter pests” while not even getting a break from warm weather pests. It’s one of the small cons of living in a place with fantastic weather. Here are a few pests to keep an eye out for during the cold months, and some tips on how to keep them out.

Rats and Mice

There are plenty of places rats and mice can go during winter to get what they need, but why go far if they can just crawl into your home and have everything handed to them? It’s warm and full of food and water. One thing you can do to keep rodents out this winter is checking your pipes for leaks. Rodents can actually use leaks in your pipes as a way to get into your house, so if you notice one, repair it right away. Mice can fit through holes the size of a dime; so even if you see a small hole in your walls, fill it with caulking.


Although ants are a year round pest, some people see an increase in activity during the winter months. Ants prefer warm, consistent temperatures, so they might head inside to keep away from winter breezes. Check your windows and doors to make sure they’re secure. If there’s a gap between your window and window frame, ants can easily use this to get in. The same goes for your doors. Secure them as soon as possible to make it harder for ants to make their way inside. There are also some household items you can use to deter ants, including vinegar, chalk, borax and baby powder.

Black Widow Spiders

One example of a pest that’s especially prevalent in LA is the Black Widow. This is an important pest to look out for, because they can be a health risk to you, your kids, or your pets. In most places, people wouldn’t have to worry about these during the winter because they tend to hide out during cold weather months. However, since LA’s weather changes so mildly from season to season, spiders find it an easy transition to make, and hang around much longer. If you have a Black Widow infestation (meaning you’ve seen more than one) call a professional pest control company. These spiders are dangerous and can even be deadly, so don’t try to handle the issue on your own. A professional pest control technician will be able to get rid of them for you and give you some advice about keeping them out in the future.