Harpers Ferry Helicopter Sprays to Tackle Black Fly Nuisance
Helicopter buzzing the Potomac to reduce pesky fly problem
Frederick News Post | Friday, July 11, 2025
By Mckenna Galloway
Recent efforts to combat black fly swarms affecting residents near the Potomac River have led to helicopter spraying operations, which began on June 30. Managed by Scott Larzelere from the Department
