Certain features of the orchid-specific brain pattern were recreated when mosquitoes were exposed to body odor. They also found that mosquitoes would actively fly upwind and land on the odor source when exposed to orchid or body odor scents. These results provide strong evidence that orchids use a particular bouquet that shares features with blood-hosts to attract the mosquitoes they rely on for pollination.

— Read more at Orchids mimic human body odor to attract mosquitoes at Phys.org.