Every fall we have this problem when the fields are harvested and the weather cools. These nasty bugs (and others) try to get into the house, car, everywhere.
I spray with an insecticide that has a residual of several weeks so it keeps on working. Save the cost of an exterminator!
This video shows a product that is inexpensive and easy to use. Considered safe for home, children, carpet & walls – but do your own due diligence to make sure you are satisfied.
Pick up this product at Amazon.com.