Black fly: Latest News, Top Stories & Analysis

Black Fly Control Program Targets 1,800 Miles of Waterways

April 19, 2026April 18, 2026 - by Maryann Pugh

HARRISBURG, PA — State officials have begun seasonal treatments across Pennsylvania waterways to reduce black fly populations ahead of peak outdoor recreation months.

Pennsylvania

Pennsylvania DEP Launches Annual Black Fly Suppression Program

April 13, 2025April 13, 2025 - by Maryann Pugh

HARRISBURG, PA — The Pennsylvania Department of Environmental Protection (DEP) has commenced its annual Black Fly Suppression Program to control nuisance black fly populations across the state. The initiative, now …