Invasive Aedes Mosquitoes

Species in LA County

  • Asian Tiger (Aedes albopictus)
  • Yellow Fever (Aedes aegypti)
  • Austrailian Backyard (Aedes notoscriptus)

Current Status

To date, there have been no confirmed reports of Aedes mosquitoes carrying Zika Virus, Yellow Fever, Dengue Fever, or Chikungunya in Los Angeles County.

Visit the California Department of Public Health’s website for the latest information on Aedes mosquitoes and Zika in Los Angeles County.

mosquito eggs


Aedes mosquitos are small with black and white stripes.

Aggressive daytime biter (can also bite at night). Most established mosquitoes in the area bite primarily at dawn and dusk.

Breeding Habit
Breeds indoors and outdoors primarily in plant saucers and other water filled containers.

Eggs are laid above the water line in containers with as little as a teaspoon of water. The eggs can survive dry conditions up to two (2) years and develop when water fills the container.

garden pot with saucer

Breeding Sources

  • Flower pots and vases
  • Plants that can hold water (bamboo or bromeliads)
  • Plant saucers
  • Buckets
  • Clogged rain gutters
  • Rain barrels
  • Old tires
  • Ponds
  • Birdbaths
  • Fountains
  • Tree holes
  • Tin cans
mosquito on skin

Diseases Transmitted

  • Zika Virus
  • Dengue Fever
  • Yellow Fever
  • Chikungunya

These diseases normally occur in tropical and subtropical areas of the world, including Mexico, Central and South America, Southeast Asia, and Africa.

Aedes mosquitoes become infected when they bite a person already infected with the virus. Infected mosquitoes can then spread the virus to other people through bites.

Currently, Los Angeles County is listed by the CDC as an area with no known risk of Zika infections.

If you are traveling and would like the most up-to-date information on the occurrence of Zika throughout the world, visit the CDC’s Zika Travel Info page.