The Onondaga County Health Department announced that the annual mosquito-borne virus surveillance and control program will start on or about May 20th and run through October 18th. The program consists of collecting and testing mosquitoes for various viruses including West Nile Virus and Eastern Equine Encephalitis. The program also uses larvicides to control mosquito population before the mosquitoes become breeding, biting adults. A list of pesticides that will be used along with their labels can be found on the Onondaga County website at www.ongov.net/health/mosquitoborne.html.  A written copy of the pesticide labels may be requested by calling 435-1649.