Dengue Fever
Last reported: August 2025
high risk
Mosquitoes in Conroe, Texas
5 active species · Season Year-round (with summer peak) · Subtropical/Tropical climate · Very High standing-water risk
Active disease alerts
Zika Virus
Last reported: July 2025
West Nile Virus
Last reported: September 2025
Species active in Conroe
Yellow Fever Mosquito
Aedes aegypti
Small, dark mosquito with white markings on legs and body. Highly adapted to urban environments. Found indoors and outdoors, prefers shaded areas. Active during daylight, especially dawn and dusk.…
Carries: Zika Virus · Dengue Fever · Yellow Fever
Asian Tiger Mosquito
Aedes albopictus
Striking black mosquito with white stripes on legs and thorax. Originally from Southeast Asia, now widespread in North America. Known for aggressive, persistent biting behavior.…
Carries: Dengue Fever · Zika Virus · West Nile Virus
Southern House Mosquito
Culex quinquefasciatus
Brown mosquito with banded legs and body. Thrives in warm, humid climates. Often found indoors at night. Prefers stagnant water with organic material.…
Carries: West Nile Virus · St. Louis Encephalitis · Japanese Encephalitis
Gallinipper (Flapwing Mosquito)
Psorophora ciliata
Large, dark mosquito, one of the largest in North America. Breeds in temporary water. Known for severe, painful bites. Often appears in swarms.…
Carries: Eastern Equine Encephalitis (EEE) · West Nile Virus
Inland Floodwater Mosquito
Aedes vexans
Medium-sized brown mosquito with white markings. Breeds in temporary, freshwater pools. Emerges en masse after flooding.…
Carries: West Nile Virus · Eastern Equine Encephalitis