Millions of sterile fruit flies are being released in California: Here's why.

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Millions of sterile fruit flies are being released in California: Here's why.

Environmental officials in California’s San Francisco Bay and East Bay areas are releasing millions of sterile fruit flies to reduce the number of pests leading to produce decay.The fruit flies will be released in parts of Alameda and Santa Clara counties, the California Department of Food and Agriculture said in an email to USA TODAY on May 7.The sterile fruit flies will be released due to an infestation of the Mediterranean fruit fly, also known as the Medfly, the department said.Calling the Medfly \"an invasive pest,\" the department said the fly threatens over 250 types of produce. The Medfly can ..