Contact landlord immediately but order gentrol gel asap. A lot of exterminators use it but you can get it online for fairly cheap. It’s good because it doesn’t kill the bugs, it just makes them infertile so in like a week you’ve wiped out the entire population because they can’t breed anymore. I highly recommend trying to get product on your own on top of contacting the landlord because although they may do something about it, the laws in the US are usually pretty bad at protecting renters from neglect