Dude, I just dealt with those little bitches yesterday. They were coming in from under my house and crawling behind my bed. I put down a trap (the kind with liquid borax inside that they crawl in and drown/die). God damn every bug in the neighborhood flocked to that trap in a couple hours then I nuked them all with bugspray.

Anyway, you could try spraying them with diluted bleach or white vinegar.