How Mosquitoes Track Their Human Targets: Olfactory, Visual, AND Thermal Cues
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Olfactory, visual, AND thermal cues, according to Caltech researchers:
When a blood meal is needed by an adult female mosquito to feed her offspring, she goes out in search of a host and that often times, is a human. The odour of carbon dioxide exhaled by humans as well as other animals often attracts insects including mosquitoes. However, mosquitoes can pick up additional cues that signal the proximity of a human. They employ their vision to spot the host and use thermal sensory information for detecting body heat.