The flys are unbelievable right now and like to congregate around the back screen door so they can enter every time the door is opened. We tried the sticky fly paper and didn't catch a single one!

The Bug Stop that I use for ladybugs and boxelder bugs doesn't seem to affect flys at all. Seems like I read at one time of a concoction that is put outside the door that traps them before they come in to share our home.

They are driving us nuts!