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Abstract
Mosquitoes cause a huge further medical and financial burden by spreading yellow fever, dengue fever, Japanese encephalitis, Rift Valley fever, Chikungunya virus and West Nile virus. Bruce Harrison, an entomologist at the North Carolina Department of Environment and Natural Resources in Winston-Salem estimates that the number of migratory birds that nest in the tundra could drop by more than 50% without mosquitoes to eat. Cathy Curby, a wildlife biologist at the US Fish and Wildlife Service in Fairbanks, Alaska, says that Arctic mosquitoes don't show up in bird stomach samples in high numbers, and that midges are a more important source of food.





