[honeybeealex]

curious what are ways to prevent robbing beside an entrance reducer??

 

[BEES4U]

An entrance reducer that's also a robbing screen.
Do a search on robber screens and you will find some postings.
Ernie

 

[honeybeealex]

Thanks ernie!

 

[Michael Bush]

There are many things you can do including using a sprinker to simulate rain and wet sheets to keep the robbers out and the robbed hives cool... and other things:

http://www.bushfarms.com/beesrobbing.htm