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posted by cmn32480 on Friday November 10 2017, @12:05PM   Printer-friendly
from the hope-there-are-no-bugs-in-the-bugs-fighting-the-bugs dept.

The EPA has approved the use of bacteria-treated mosquitoes to help reduce mosquito populations. The approval will be effective for five years in 20 states and D.C.:

On November 3, 2017, EPA registered a new mosquito biopesticide – ZAP Males® - that can reduce local populations of the type of mosquito (Aedes albopictus, or Asian Tiger Mosquitoes) that can spread numerous diseases of significant human health concern, including the Zika virus.

ZAP Males® are live male mosquitoes that are infected with the ZAP strain, a particular strain of the Wolbachia bacterium. Infected males mate with females, which then produce offspring that do not survive. (Male mosquitoes do not bite people.) With continued releases of the ZAP Males®, local Aedes albopictus populations decrease. Wolbachia are naturally occurring bacteria commonly found in most insect species.

Nature reports:

"It's a non-chemical way of dealing with mosquitoes, so from that perspective, you'd think it would have a lot of appeal," says David O'Brochta, an entomologist at the University of Maryland in Rockville."I'm glad to see it pushed forward, as I think it could be potentially really important."

MosquitoMate will rear the Wolbachia-infected A. albopictus mosquitoes in its laboratories, and then sort males from females. Then the laboratory males, which don't bite, will be released at treatment sites. When these males mate with wild females, which do not carry the same strain of Wolbachia, the resulting fertilized eggs don't hatch because the paternal chromosomes do not form properly.

The company says that over time, as more of the Wolbachia-infected males are released and breed with the wild partners, the pest population of A. albopictus mosquitoes dwindles. Other insects, including other species of mosquito, are not harmed by the practice, says Stephen Dobson, an entomologist at the University of Kentucky in Lexington and founder of MosquitoMate.

NPR has reprinted a 2012 article about the idea. Also at Newsweek.


Original Submission

 
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  • (Score: 3, Informative) by takyon on Friday November 10 2017, @02:59PM

    by takyon (881) <reversethis-{gro ... s} {ta} {noykat}> on Friday November 10 2017, @02:59PM (#595136) Journal

    Every insect you have ever interacted with is covered with foreign bacteria.

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