Are you seeing very many? We have not had reports of high numbers yet this year.
You should not use any kind of pesticide or chemical insecticide for stinkbugs, especially in your home. The stinkbugs are a nuisance, but are harmless, while insecticides are not.
Simply use a vacuum with a hose attachment to suck them up, or fill a basin with soapy water and brush them into it where they will drown.
If you truly do have a lot of them, there is a scientist at the University who is in need of them for further studies who might want to collect them.
He is Galen Dively and he can be reached at: firstname.lastname@example.org 301 441-1083