Ace, your posts are showing how little you know about trapping bees. The more you post, the more you show how little you know, so it would behoove you to quit guessing and just stay quiet.
No, they will not leave. They will cover the brood and fan until they die. If the feeding isn't stopped, they will last long enough in a weakened state for the SHB to take over and kill them. ETC. ETC. ETC.