Rescue, TrapStik, For Biting Flies With Bird Guard, Catches Black Biting Flies, Deer Flies, Stable Flies, Horse Flies, & Others, Visilure Technology Catches Biting Flies With Appealing Colors & A Multi-Dimensional Pattern, Biting Flies Are Attracted To The Trapstik, Then Get Stuck To The Adhesive Surface, Biting Flies Blend In To The Pattern Once They're Caught, Odor Free, Pesticide Free, Adhesive Holds Up In Hot Weather.