Home Depot sells a stink bug killer. I personally have never used it but I know people who have and they say it works. Not sure of the name though. As far as a repellant, not sure.
2013 Jayco Eagle 328 RLTS
2013 Ford F350 6.7L 4x4 CCLB W/Air Lift air bags
2002 Coleman Bayside Elite (traded)
Me, Momma and Charles (RIP buddy)
And introducing Sofie!! ;)