Latest Mosquito Testing Results
The Connecticut Agricultural Experiment Station traps, identifies, and tests mosquitoes for encephalitis viruses.
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Dead birds, primarily crows, are tested to monitor West Nile virus.
The management of mosquitoes in Connecticut is a collaborative effort involving the Department of Energy and Environmental Protection, the Connecticut Agricultural Experiment Station, and the Department of Public Health, together with the Department of Agriculture and the Department of Pathobiology at UCONN.
List of related links to other state and federal websites with information on mosquitoes and public health.
Information about pesticides for mosquito control.
View videos on precautions and protections related to mosquitoes.
State Reports Expansion of West Nile Virus
The State Mosquito Management Program is warning Connecticut residents about the increasing risk of infection by West Nile virus this season.
Mosquito Season Alert-CT Horse and Livestock Owners Advised to Guard Against Mosquito-Borne Diseases
The Connecticut Department of Agriculture reminds the state’s horse and livestock community to take preventative measures to protect against mosquito-borne diseases this season.
Residents, especially those in the Southeastern part of the state from the Lower Connecticut River Valley to the Rhode Island border, are advised to protect themselves and their children by taking personal precautions to prevent mosquito bites until the first hard frost of the fall. Consideration should also be given to minimizing outdoor activity from dusk to dawn, when mosquitoes are most active.
Governor Ned Lamont is advising people in Connecticut to take proper precautions to protect themselves against Eastern Equine Encephalitis (EEE) as state public health officials announced that the second person to be diagnosed with the virus this year in Connecticut has passed away.
Protection Against Mosquitoes Using Repellents FAQs
Frequently asked questions about how to protect yourself from mosquitoes by using repellents.
State Mosquito Monitoring Program Begins Testing for Mosquito-Borne Viral Diseases
The mosquito trapping and testing program, coordinated by the Connecticut Agricultural Experiment Station, begins June 2, 2025, and lasts until the end of October.
List of links to publications related to mosquitoes and mosquito management.