Where Do Flies Come From in the Winter?

If you have a fly problem during the winter, it’s important to understand where they’re coming from. They tend to congregate on windows and other warm areas of your home. They’ll also cling to things like garbage and animal droppings. But when temperatures drop, they’ll seek out a more sheltered spot where they can hibernate until spring, when they can hatch and start flying around again.

Many species of flies overwinter indoors. During the winter, their metabolisms drastically decrease. They’ll stay alive in order to lay eggs, but otherwise they’ll spend most of their time in hiding. In early spring, they’ll lay eggs in decayed matter. Larger flies may be visible while sunning on a sunny day.

Cluster flies spend the winter in your home. They’ll come out during the warmer months of the year to breed. Then, they’ll emerge during the spring and summer. Unlike other insects, they don’t lay eggs in your food or spread bacteria. But if you’re unable to catch them, they can be a nuisance.

The best way to prevent cluster flies from infesting your home is to seal any gaps and cracks that they use as entry points. These are similar to the steps you take to seal other pests. You can also seal any spaces where roof penetrations and walls intersect.

Continue reading:

Do Flies Suffer on Fly Paper? How Can You Kill Fruit Flies With Fly Spray? What Are Crane Flies? Will Fruit Flies Die on Their Own? How to Get Rid of Flies in Your Home Why Do Fruit Flies Bite? How to Get Rid of Fruit Flies Why Are There So Many Flies in My Yard?