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mosquitoes

James Gathany, via Wikimedia Commons

Debug Fresno is a pilot project aimed at developing a technique to control a nasty species of invasive mosquito known as Aedes aegypti. It involves releasing millions of mosquitoes infected with wolbachia, a naturally occurring bacteria, in three test areas in Fresno and Clovis. It may seem like a paradox, but the ultimate goal is to reduce the overall A. aegypti population, and techniques like this have succeeded in other parts of the world.

Kerry Klein / Valley Public Radio

Summer is approaching in the San Joaquin Valley, and that means it’s not only the season for sunscreen and paletas, but also mosquitoes—something local authorities are working on. For the last two years, the Fresno area has been the site of an experimental mosquito control program. And it’s back again. Here we examine the project’s latest, scaled-up season, and why it appears to be working.

Last week it made national headlines: a company with ties to Google is releasing 20 million mosquitoes in Fresno. It might sound like a bad idea, but it's actually part of an innovative plan called "Debug Fresno" that aims to stop the local spread of the Aedes aegypti mosquito, which can spread dengue fever and the zika virus.