Mosquitoes & Ticks

Aerial Mosquito Spraying Complete in Wellesley!

View an interactive map of the State aerial mosquito spray area for EEE. *Updated each day following night spraying. As of Monday, Sept. 16, 2019, aerial spraying for mosquitoes is complete in Wellesley. Residents may open windows and turn on AC units at night.

The Health Department encourages residents to use common sense and take precautions to avoid mosquito and tick bites when enjoying the outdoors. 

Important Mosquito Information

Wellesley is part of the East Middlesex Mosquito Control Commission and conducts testing for mosquito-born illnesses such as West Nile Virus (WNV) and Eastern Equine Encephalitis (EEE) throughout peak periods during the year. 

Questions and concerns about WNV or EEE can be directed to the Massachusetts Dept. of Public Health (MDPH) 24-hour hotline at 617-983-6800.

 Health Department information about EEE:

Visit the Commonwealth of Massachusetts website for data on mosquito-borne diseases, tick information and other resources for residents.