Aerial spraying of an insecticide targeting mosquitoes is scheduled to be conducted Sunday evening along Conewango Creek in the towns of Kiantone and Carroll in an effort to protect the public from mosquito-borne disease, according to the Chautauqua County Department of Health.

The aerial spray will begin after 7 p.m. in those areas where infected mosquitoes have been identified, officials said. That area includes about 6,300 acres bounded by Route 62 to the west, Conewango Creek to the north up to the town of Frewsburg, Ivory Road/Water Street/Warren Road to the east and the state border with Pennsylvania to the south.

The product to be sprayed, called “Kontrol 30/30,” will be applied in a diluted form, according to officials. It will be applied by contractors from Duflo Spray-Chemical of Lowville from blue, white and gold twin engine Piper Aztec aircrafts.

Officials said the “spraying will not take place over open waters such as the Conewango Creek.”

The spraying was necessitated by the recent discovery of the Eastern Equine Encephalitis and West Nile viruses in the area. Although no human disease has been reported, county officials held an emergency meeting to respond to what is considered “a significant risk to human health.”

For more information about the spraying and public precautions involved, contact the department’s public health division at 753-4481 or (800) 604-6789.