Alphabet, Google’s parent company, has a new Debug plan: kill mosquitoes! Yes, you read that title right

As the weather gets warmer, one of summer’s biggest headaches for women, aside from makeup melting, is probably mosquitoes that seem impossible to keep at bay. While we’re still stocking up on mosquito repellent, tech giant Google has unexpectedly applied to the U.S. government to release 32 million mosquitoes!

It sounds like something out of a sci-fi movie. Through its Debug program, Verily, a company under Google’s parent company Alphabet, uses AI to breed special male mosquitoes carrying Wolbachia. Once released into the wild, these non-biting males can cause wild Aedes aegypti to lay eggs that cannot hatch, effectively and environmentally reducing disease-carrying mosquito populations. The application is currently under review by the U.S. Environmental Protection Agency (EPA). If approved, the team will begin this two-year trial in California and Florida.

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Behind the Google search engine we know is an army of tens of millions fighting mosquitoes

This project may sound a little scary at first, even conjuring images of swarms of insects. In fact, it is the Debug program led by Verily, an independent life sciences subsidiary of Alphabet. As Google’s sister company, Verily applies the parent group’s cutting-edge technology to real-world public health issues.

Its target is Aedes aegypti, the deadly culprit behind the spread of dengue and Zika. Rather than spraying large amounts of chemical insecticides, the project takes a more environmentally friendly bacterial approach. The research team uses Wolbachia, a bacterium commonly found in nature, to address mosquito control at the source instead of rushing to apply medicine after getting bitten.

Replacing chemical insecticides with “good mosquitoes” to fight disease-carrying mosquitoes

We all know mosquitoes are more than just annoying: they’re deadly carriers of diseases such as dengue and Zika. Traditional methods of spraying chemical insecticides can burden the environment and, over time, even cause mosquitoes to develop insecticide resistance.

To address this everyday problem, Google began developing the project 10 years ago. Using a specialized automated rearing system, the team breeds male Aedes aegypti carrying the naturally occurring bacterium Wolbachia. When these lab-bred males are released outdoors and mate with wild females, the females’ eggs cannot hatch, allowing mosquito populations to decline naturally with each generation.

A precise screening process using AI computer vision

For women, the idea of releasing mosquitoes may sound scary. Rest assured, these male mosquitoes do not bite people or spread disease.

The project combines Google’s strengths in AI and data analysis. Precisely separating male and female mosquitoes among tens of millions of tiny insects is a daunting challenge. Engineers use AI computer vision not only to accurately separate the sexes, but also to calculate where and how many male mosquitoes to release for the best results.

Singapore trial successfully reduced mosquito numbers by 90%

This seemingly crazy plan is already showing promise in some places. Debug previously chose Singapore as its first overseas R&D center and released these modified male mosquitoes there. The results were a pleasant surprise: over 6 to 12 months, local Aedes aegypti populations dropped by 80% to 90%, while dengue infection rates fell by more than 70%.

Rather than continually developing stronger chemical insecticides, solutions like this that combine data technology with biological traits align with modern expectations for sustainable, healthy living. The public consultation period for this trial is expected to end on June 5. Perhaps in the near future, this mosquito-against-mosquito technology will become widespread, and we can finally carry one less bottle of mosquito repellent in our bags each summer.

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