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Parasitic fly 'sacrifices sight' after finding host, study shows
- May 31, 2026 at 11:00 PM
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Deer keds—biting flies found across Europe, Asia, Africa and the Americas—use their eyes and flight to locate a host, typically deer, but occasionally humans or other mammals. Once they land, however, they shed their wings permanently and spend the rest of their lives crawling through fur and feeding on blood.
Originally published at Phys.org