It's important to know the exact ages of your larvae if you plan to be grafting. This excluder frame is one way to do that! It confines your queen onto one side of a deep frame that's against the inner wall, preventing her from accessing the other side. This can be used to know the exact age of larvae on the side the queen is excluded from.
- Confines queen to one side of the frame
- Prevents her from laying eggs on the other side
- Lets you know the exact age of the larvae on the side queen is excluded from