HILLSBOROUGH COUNTY, Fla. — Helicopters will take to the skies across parts of Hillsborough County on Wednesday night to spray for mosquitoes following local detections of dengue fever virus. Hillsborough County Mosquito Management Services announced that aerial spraying will begin at 8:30 p.m. on Sept. 16 and run through 6 a.m. on Sept. 17. The […] Mosquito Spray Heads Over Hillsborough County Tonight After Dengue Detected ...read more read less