The next scheduled spray operation is:


Tuesday August 30, 2016

A hand application for black fly suppression will be conducted on Yellow Breeches Creek Tuesday, August 30, 2016 in York and Cumberland Counties. The applications will be conducted by DEP biologists using a back pack sprayer in stream and from bridges.
Aerial Treatment Specific Information.
The helicopter will fly low near tree top level and release the Vectobac SC at various predetermined positions on each stream. Wind, fog and rain, inclement weather can cause delays or postponement of the treatment.
Vectobac 12AS Spray Material Label (PDF) Helicopter Applicators Inc. will be dispersing Vectobac SC, which is a Bti product manufactured by Valent Biosciences. Vectobac SC is the same product as Vectbac 12AS, but under new label. 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. 
Questions regarding this operation or on the Program in general, please contact Doug Orr at 717-705-4951 or send an email.