Miami's Mosquito Problem Is a Public Health Issue
Miami-Dade County isn't just dealing with nuisance mosquitoes — it's managing the northernmost established population of Aedes aegypti, the yellow fever mosquito and primary vector for dengue fever, Zika virus, and chikungunya in the Western Hemisphere. Local dengue transmission has been confirmed in Miami neighborhoods including Miami Beach, Little River, and Wynwood in recent years.
Unlike other mosquito species that breed in ponds and ditches, Aedes aegypti is a container breeder — it lays eggs in any water-holding vessel as small as a bottle cap: plant saucers, rain gutters, tire swings, birdbaths, buckets. This makes Miami's urban residential properties particularly high-risk, because the breeding habitat is distributed throughout the property rather than concentrated in a single water feature.
Miami's rainy season runs May through October, dumping 5–7 inches per month and continuously replenishing breeding sites. Without active management, mosquito populations peak at levels that make outdoor living genuinely uncomfortable and expose residents to real disease risk.