Thursday, May 26, 2022

An aerial black fly suppression operation is scheduled for Thursday, May 26th on the Juniata River, Conodoguinet Creek, Sherman Creek and Tuscarora Creek.  This operation will begin in Cumberland County on Conodoguinet Creek at 800am and finish in Mifflin County upstream of Lewistown. This application will include flights in Cumberland, Dauphin, Juniata, Mifflin, and Perry Counties.  The helicopter will be a Bell 205 with the tail number N648HA and is painted white with red striping.

About the product   Helicopter Applicators Inc. will be dispersing Vectobac SC, which is a Bti product manufactured by Valent Biosciences.  Bti is short for Bacillus thuringiensis var. israelensis, which is a bacterial larvicide, not a chemical, and is the only product used in Pennsylvania's waterways for black fly suppression.  Vectobac SC is a thick brown liquid resembling chocolate milk.  The helicopter will fly low near tree top level and release the Vectobac SC at various predetermined positions on each stream.  Following is a link to the Vectobac label and an SDS sheet.  Vectobac SC Label    VectobacSC SDS