Experts say the best advice for avoiding mosquito bites is simply restricting outdoor activities during daybreak and twilight. They do not recommend devices such as electronic insect zappers because they tend to kill beneficial insects rather than biting ones such as mosquitoes. Experts also maintain that brand name insect repellents such as OFF and DEET, as well as burning citronella candles, are helpful. That practice, however, was determined to be an environmental and public health hazard.
Larvicides block the digestive tracks of the larvae and they subsequently starve and die.
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