According to a press release from the Montgomery County Health Department (MCHD), on Tuesday, September 13th, the MCHD will be spraying sections of Whitpain Township in Montgomery County, targeting adult mosquitoes.
From the Press Release:
The spraying will be done where sampling by the Health Department and PADEP has shown mosquitoes that carry the West Nile Virus. The spraying will be conducted, weather permitting, on Tuesday, September 13, 2016 from approximately 7:45pm to 11:15pm. The alternate date will be Tuesday, September 20, 2016.