Research source: UF/IFAS Featured Creatures: Aedes aegypti — University of Florida Institute of Food and Agricultural Sciences
Aedes aegypti is the most dangerous mosquito in South Florida. A small, dark species with distinctive white lyre-shaped markings on its thorax, it is the primary vector of dengue fever, Zika virus, chikungunya, and yellow fever in Florida. Unlike most mosquitoes, it bites aggressively during the day.
How to Identify Yellow Fever Mosquito
Breeding & Habitat
Breeds exclusively in standing water in artificial containers: flower pots, buckets, bottle caps, bird baths, clogged gutters, and tarps. As little as a bottle cap of water is sufficient. Does not breed in natural water bodies like lakes or canals.
Why This Species Is a Problem in South Florida
South Florida's warm climate allows Aedes aegypti to be active year-round. Dense residential landscaping and frequent rainfall create constant breeding pressure. Broward and Palm Beach Counties have documented locally-transmitted dengue cases linked to this species.
Health Risk
Dengue fever, Zika virus, chikungunya, yellow fever
How We Control Yellow Fever Mosquito
Source reduction (eliminating containers) is essential but not sufficient in dense residential areas. Professional barrier spray targets resting adults in vegetation. Because Ae. aegypti rests low in shrubs and ground cover rather than tree canopy, application technique matters — we treat within 3 feet of the ground where this species hides.
University of Florida Research
For the complete peer-reviewed species profile, lifecycle details, and distribution maps, see the UF/IFAS Featured Creatures database:
UF/IFAS Featured Creatures: Aedes aegypti ↗Dealing with Yellow Fever Mosquito in South Florida?
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