Ace, we had a reported case of West Nile Virus yesterday. Immediate response is city wide mosquito spraying today and tomorrow. What's a beekeeper to do?
It is far for me to know the right answer to this question. How did anyone know where the infection occurred with one case? What if the mosquito that caused the infection is building resistance to the spray and that mosquito doesn't get a direct hit. It might make it worse.
I agree with Jim's statement, instilling fear usually causes a knee jerk reaction where by pesticides are applied just because of perception.