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Mosquitoes and ticks can spoil a beautiful day and make people sick. Beyond buzzing, biting, sucking and stinging, they can carry serious diseases. Tiny blacklegged ticks carry Lyme disease. Nighttime biting Culex mosquitoes can transmit West Nile virus and Japanese encephalitis. And the aggressive Aedes mosquitoes — happy to bite any time — can cause Zika, dengue fever and chikungunya. And that’s just a sampling of the troubles they bring.
Little wonder we look for ways to protect ourselves from mosquitoes and ticks, especially this time of the year, when we spend more time outside. With a little thought and care, though, we can do so in ways that are healthier for us — and for the world around us — than using toxic chemicals.
Insecticides kill all insects, not just ticks and mosquitoes. They also kill important pollinators such as bees, butterflies and moths. Insecticides harm the animals that eat these insects such as bats and birds. And they wash into waterways, where they can kill aquatic invertebrates that provide critical food for fish, frogs and other stream dwellers.
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Mosquitoes in a cage in a laboratory in Brazil. There are ways you can prevent bites from these flying insects and ticks without using chemicals that could harm the environment and other creatures. (Paulo Fridman/Bloomberg News)
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James' World 2 
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