On Aug 7, 4:17 pm, "jmagerl" wrote:

Sometimes the nest is far from the entry hole and spray wont get there. The
prefered method is to puff a powdered poison into the hole so that they
track the poison to the nest.

our last exterminator (some sort of honey bee or such, building a
permanent 4-season installation in the attic) used diatomaceous earth,
on the grounds that it's non toxic, but abrades the bugs to death.
worked, too.