yellow-fever mosquito noun1 •A black and white striped mosquito (Aedes aegypti) originated in Africa and now widespread in the tropics, so called for being the main vector of the virus in urban areas.That is mosquito larvae from the Aedes aegypti, or yellow fever mosquitoes. They can carry debilitating diseases like dengue, chikungunya or zika, which can lead to birth defects. — 2024 formsyellow fever mosquitoes · yellow fever mosquitos · yellow-fever mosquitoes · yellow-fever mosquitos