- Associated Press - Tuesday, September 2, 2014

HINTON, W.Va. (AP) - State officials plan to spray three southern West Virginia rivers this week to suppress the black fly population.

The Department of Agriculture tells media outlets that it will conduct aerial treatments Wednesday on the New, Bluestone and Greenbrier rivers, weather permitting.

The department sprays a naturally occurring bacterium called Bti on the rivers every year. The bacterium kills black fly larvae.

The black fly program began in the 1980s.

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