Check the listing for details. Stoney Acres Robbing Screen for Beehive, Fits 8-Frame Langstroth Hives. Condition: New. Listed at 24.98 USD. Protect Your Hive from Robber Bees Keep invaders out of your hive and from stealing your colony's precious resources. Just install this robbing screen at the main entrance (on your bottom board) and move the metal latches to control the entry points, so robber bees are deterred from entering. An essential component for beekeeping. Helps prevent drifter bees from coming in and spreading infection . Protects against yellow jackets, too. Close all the metal latches when you need to move and relocate your beehive. This will keep your bees inside the hive (when not relocating, keep entrances open or partially open to minimize robbing). Provides more circulation and airflow than traditional entrance reducers. Handcrafted by an Amish family who raises their own bees.