Mark Hayward wrote:

> >>>>>>>>>>>>>>>>>>>>  MUST I have a queen in the top box

Probably not, but can't be ruled out.

> or
> will a queen traverse through the excluder in to the top box if she desires
> extra room to lay?

Probably, but twice or more and a return would surprise me.
-----------------
John F. Edwards
Biological Lab. Technician
Carl Hayden Bee Research Center
Tucson, Arizona 85719
http://gears.tucson.ars.ag.gov/home/edwards/index.html