>Being situated in N. Florida I have noticed beetles in my hives and was
>remarking about it to another bee man.  He advised me that I could use an
>insecticide called COR-Al , a powder, that is sold at most farm centers for
>the control of hornflies and lice on cattle.

Read the label. With pesticides the label is the law. Does it say to use it
in bee hives? Nope. If you, or your friend get caught you have a legal
problem.

Choices to date include Cumaphos strips, soil drench, and for those who
don't like chemicals traps.