Yellow Fever Mosquito

Aedes aegypti originated in Africa and was spread to the New World through the slave trade, but is now found in tropical, subtropical and temperate regions throughout the world. Ae. aegypti's distribution has increased in the past two to three decades worldwide, and it is considered to be among the most widespread mosquito species. Studies in the Caribbean have documented the presence of Aedes aegypti in several island settings. In Grenada, researchers collected 1,152 A. aegypti mosquitoes from six semi-rural locations in St. George Parish between January and December 2018, using traps placed near houses. n Trinidad, a 53-week study conducted in high-rise apartments in Port of Spain during 1999–2000 detected A. aegypti eggs at multiple building elevations, demonstrating that the species was present in densely populated urban environments. More recently, a survey conducted in Puerto Rico in June 2025 detected adult mosquitoes or immature stages of A. aegypti in 43 municipalities, including ten municipalities without previously published occurrence records. …