Typically bite at night both indoors and outdoors; they prefer avian hosts, but will bite humans.
Transmit diseases such as: West Nile Virus, Western/Eastern Equine Encephalitis.Lay eggs in rafts on the water surface of polluted freshwater sites and artificial containers.
Distribution: All parts of the U.S.
Bite indoors and outdoors between dusk and dawn and prefer human and mammal hosts.
Transmit diseases such as: Malaria.
Lay eggs with floats on the surface of natural, vegetated water bodies (e.g., ponds, marshes, swamps).
Distribution: Eastern and Western U.S.
Unlike the “typical” mosquito of the U.S., they are active day biters and humans are their preferred hosts.
Transmit diseases such as: Zika, Chikungunya, Yellow Fever, Dengue.Lay eggs singly on or near the surface of temporary water sources (e.g., used tires, flower pots, pools, roof tanks).
Distribution: Across the East Coast, Midwest, Pacific Northwest, and Southern U.S.
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