Bee Robber Screen

This is my interpretation of a honeybee robbing screen developed by Dr. Eric Mussen at UC Davis. I have had better robbing prevention success with a taller screen (6in) and more durability with a complete frame. Bees, especially in close proximity, will rob honey from weaker or smaller bee colonies when there is a nectar dearth and this screen drastically cuts down on such robbing. Research honey bee robbing at UC Davis for more information on how it works.
For a complete screen, two ends (sid