Now I happen to have one of North America's busiest Box Elder Bug transit stations. It is also known as the back half of the outside of my house. So I decided to "relocate" the largest Praying Mantis to a back wall.
The Praying Mantis immediately recognized that it was in the Land of Milk and Honey - or at least the Wall of Easy Prey. Chomp!
Now if I could only convince a few more to stay there for a week or two...