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Sabethes species

Rainbow mosquito
Vector Risk: Moderate
Genus: Sabethes

Sabethes mosquitoes co-transmit sylvatic yellow fever alongside Haemagogus in Central and South American rainforests. They are among the most visually striking mosquitoes in the world — iridescent blue, purple, and green scales with distinctive paddle-shaped tufts on their legs used in elaborate courtship displays.

Like Haemagogus, they bite during the day, most actively around midday, and inhabit the forest canopy. They are less commonly encountered than Haemagogus but share the same habitat and host-preference profile, maintaining yellow fever virus in forest monkey populations.

Risk to travellers follows the same pattern: sylvatic transmission in South American forests, with urban spillover possible via Aedes aegypti in unvaccinated populations.

Sabethes species — photograph
Photo: CDC / Prof. Woodbridge Foster / Prof. Frank H. Collins · Public Domain · 2013 · via Wikimedia Commons

Biting behaviour

Daytime biter, peak around midday. Forest canopy specialist. Feeds primarily on monkeys; incidental human bites.

Habitat

Tree holes, bromeliads, and small plant-held water in the upper canopy of tropical forests.

Diseases transmitted

Yellow fever

How to identify

Iridescent blue, purple, and green scalesDistinctive paddle-shaped tufts on the mid-legsDay-biter, most active around middayForest canopy specialistRarely descends to ground level

Where found

Central and South American tropical forests, overlapping with Haemagogus range.

Precautions

WHO and CDC recommend yellow fever vaccination before travel to endemic areas
CDC advises the International Certificate of Vaccination for endemic country entry
CDC recommends repellent for forest travel
WHO emphasises that sylvatic-cycle exposure comes from entering forest habitats
CDC recommends long-sleeved clothing in forest activities
WHO flags yellow fever vaccination as the single most effective protection
WHO — Yellow feverCDC — Yellow Fever Vaccine

Countries where Sabethes species is relevant

This species transmits diseases recorded in 43 countries in our database. Click any country for its full Mozzwise briefing.

AngolaArgentinaBeninBoliviaBrazilBurkina FasoBurundiCameroonCentral African RepublicChadColombiaDR CongoEcuadorEquatorial GuineaEthiopiaFrench GuianaGabonGambiaGhanaGuineaGuinea-BissauGuyanaIvory CoastKenyaLiberiaMaliMauritaniaNigerNigeriaPanamaParaguayPeruRepublic of CongoRwandaSenegalSierra LeoneSouth SudanSudanSurinameTogoTrinidad and TobagoUgandaVenezuela

Vector information is sourced from WHO, CDC, and ECDC. Not medical advice. Personal decisions on repellents, vaccinations, or medication belong with a qualified travel health professional.