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k7243-10 | by USDAgov
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k7243-10

Mosquitoes are an outdoor nuisance to be avoided, as are biting flies, ticks, and chiggers. We ward all of them off with deet, a strong repellant that the U.S. Department of Agriculture (USDA) Agricultural Research Service (ARS) discovered 40 years ago. USDA photo by Scott Bauer.

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Taken on February 7, 2013