Latest Mosquito Testing Results
The Connecticut Agricultural Experiment Station traps, identifies, and tests mosquitoes for encephalitis viruses.
State of Connecticut
Mosquito Management Program
Search Results
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Frequently asked questions about mosquitoes.
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Links to webpages for frequently asked questions about mosquitoes, mosquito control and protection, West Nile virus, and eastern equine encephalitis.
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Mosquito Control Using Larvicides - FAQs
Frequently asked questions about controlling mosquitoes using larvicides.
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Frequently asked questions about West Nile virus.
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State Mosquito Monitoring Program Begins Testing for Mosquito-Borne Viral Diseases
"We will trap and test mosquitoes at 91 locations statewide from now until October", said Dr. Philip Armstrong Medical Entomologist at CAES.
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State Reports Positive Mosquitoes for West Nile Virus in New Canaan
The State of Connecticut Mosquito Management Program (MMP) announced that mosquitoes trapped in New Canaan on June 19 tested positive for West Nile virus (WNV).
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Positive Mosquitoes for Eastern Equine Encephalitis Virus in Hampton and North Stonington
The State Mosquito Management Program announced today that mosquitoes trapped in Hampton on September 19 and North Stonington on September 26 have tested positive for eastern equine encephalitis (EEE) virus.
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Positive Mosquitoes Identified in Eight More Connecticut Towns
The Connecticut Agricultural Experiment Station (CAES) has identified West Nile virus (WNV) infected mosquitoes in eight new towns: Bethany, Franklin, Greenwich, Madison, New Haven, Waterford, West Haven, and Weston.
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Risk of West Nile Virus Continues - Positive Mosquitoes Detected in 40 Connecticut Towns
The State Mosquito Management Program is warning Connecticut residents about the increased risk of infection by West Nile virus (WNV) this season.
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State Mosquito Monitoring Program Begins Testing for Mosquito-Borne Viral Diseases
The State of Connecticut Mosquito Management Program today announced it is monitoring mosquitoes for the presence of viruses that can cause illness in people including West Nile virus (WNV) and eastern equine encephalitis virus (EEE).
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State Reports Positive Mosquitoes for West Nile Virus in Four Connecticut Towns
First WNV-Positive Mosquito Pools of Season
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State Mosquito Monitoring Program Begins Testing for Mosquito-Borne Viral Diseases
The mosquito trapping and testing program, coordinated by The Connecticut Agricultural Experiment Station (CAES) will run from May 31 until the end of October.
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West Nile Virus Expanding Throughout Connecticut
Positive Mosquitoes Found in 17 Towns
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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 1, 2026, and lasts until the end of October.
Human Surveillance of West Nile Virus
Surveillance includes monitoring mosquitoes, domestic animals, poultry, and humans. The Connecticut Department of Public Health provides laboratory testing of cerebrospinal fluid and blood from persons hospitalized with illnesses consistent with WNV infection.
Mosquito Control Around the Home
The best way to manage mosquitoes around the home is to eliminate standing water where mosquitoes can lay eggs. DEEP’s Wetland Habitat and Mosquito Management Program uses an integrated approach to manage mosquitoes that includes public education and cultural, biological, and chemical control methods.