Seeing ants in your home is sign that there is a larger colony somewhere in you home. It is unlikely that a few ants made their way inside without there being a larger ant colony within the area of you home. Ants are constantly searching for food, so seeing a few ants will indicate that they are out looking for food.

Why Do I Have Ants?

Ants will be attracted to areas where food and drinks are commonly consumed. The kitchen is the most likely place that you will see ants, but if food and drinks are consumed all over the house, they may pop up anywhere.  It does not take much sugar content to bring them in. While foraging, an ant also leaves a scent trail that not only helps them find their way back to the nest, but also helps other foragers follow the trail in the other direction. So the sight of a single ant in the house can be the prelude to many more visitors.

How Do Ants Get In My Home?

By the very nature of their size ants do not need much of a gap to be able to get into a house for food or just to shelter. Apart from if you have left the back door open, ants will get in through slight cracks in the foundation, gaps under the doors, or poorly sealed windows.  It is extremely difficult to keep ants out, but some general maintenance such as sealing cracks and crevices in doors and window frames at least reduces some of the entry points. The best way to keep them out though is to try to eliminate the causes that attract them in the first place.

How To Get Rid Of Ants?

Ant control is not as easy as spraying a residual insecticide around baseboards.  Ants are usually able to quickly detect treated surfaces and simply avoid them until the pesticide residues have dissipated.  Cleaning up food sources is the best practice to get ants out also clean the areas where your seeing them because they leave a scent trail for other ants to find the way to and from the food source.