A dozen types of mosquitoes spread germs that can make people sick.
Some studies claim mosquitoes are the world’s deadliest animal and estimates say they kill 700,000 people a year, with most in Sub-Saharan Africa.Body odors, exhaled breath and body heat all alert mosquitoes to a person’s presence. The bugs pick up scents through olfactory neurons on their antennae—they can smell body odor from nearly 200 feet away —and use body heat to zero in on their target.
Mosquitoes are less likely to buzz over to scents with lots of the chemical eucalyptol, found in plants like sage and eucalyptus trees. The EPA has a list of recommended repellents including DEET, Picaridin, IR3535 and others with eucalyptus oils.In addition to repellent, wearing loose-fitting long pants and sleeves while outdoors is helpful to prevent bites and so are screens on windows and doors.
Pesticides have been applied to kill mosquitoes in California for over 70 years. Larvicides are also applied to the water from trucks, and sometimes aircraft. Male mosquito pupae are separated from female pupae. Males are irradiated, using ionizing radiation, to make them sterile. Male mosquitoes are bred and sterilized using the same radiation found in X-rays. Males are then regularly released to mate with wild females. The resulting eggs will not hatch.
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