Hi Rett
I have never drilled a hole above the excluder. It may be OK to do so.
The worse case scenario is for a queen to return from her maiden flight
and enter above the excluder. It has caused some trouble for a small
swarm to enter the super. You then have a queen above and below the
excluder.
Good luck.
 
Bob Neely
Goose Creek, SC
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On Tue, 22 Jul 1997 12:13:58 -0600 Rett Thorpe <[log in to unmask]>
writes:
>I am considering adding queen excluders to my two first year hives and
>was wondering if it would be a good idea (or is it standard practice)
>to
>drill a hole or some other opening above the excluder for the workers
>to
>enter and exit more easily?  Thanks for your replies on this matter.
>Rett Thorpe
>Salt Lake City, Utah
>