05/30/2026
Every fall, Culex pipiens mosquitoes, the primary carriers of West Nile virus in the United States, are supposed to take their cues from the waning daylight and go dormant for the winter.
Now, a new backyard study finds that the glow of a floodlight may be enough to delay that shutdown, giving the mosquitoes more opportunities to bite.
The research suggests artificial light at night powerfully disrupts mosquitoes’ ability to go dormant—raising the possibility that as cities grow brighter, disease transmission seasons could extend.
Learn more: https://scim.ag/4wSekOz