Aedes (image) Smithsonian Tropical Research Institute Share Print E-Mail Caption Aedes is a genus of mosquitoes that includes species that transmit dengue fever, Zika virus, yellow fever and chikungunya virus. It was originally found in the tropics and subtropics and is now found on all continents except Antarctica. Credit Jose Loaiza Usage Restrictions Credit: Jose Loaiza Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.