INVASIVE How do I distinguish MOSQUITO CONTROL Aedes aegypti and Aedes albopictus MOSQUITOES Check your yard for containers that collect from native species?

What mosquitoes are invasive? water. Throw away or recycle containers that are not needed. Aedes albopictus Certain Aedes mosquitoes are not native to Washington, and when introduced, may spread rapid. Cover or turn over empty containers and Small, dark mosquito large objects—buckets, barrels, wheelbarrows, with a white dorsal Two species of concern, Aedes aegypti and Aedes stripe and banded albopictus, are known carriers of Zika, dengue, boats, and old appliances that must be stored. legs. chikungunya, and yellow fever viruses in the United Or place under a roof to keep them from lling States. Though these mosquitoes are not yet present with water. in our state, other newly introduced invasive Aedes Clean and scrub bird baths and pet-watering species have begun to spread here. dishes weekly. How can they get here? Dump water from overowing dishes under potted plants and ower pots. Invasive Aedes mosquitoes lay eggs in natural locations, such as tree holes and plants axils and Clean leave-clogged gutters and cover rain artificial containers with water. Commercial shipping barrels with mosquito screens. Aedes aegypti of water-holding containers and plants, both Clean debris from ornamental ponds and Small, dark mosquito international and within the country, can transport with white lyre-shaped keep fountains running. marking with banded mosquitoes into new areas. Past findings of Aedes Repair leaky outdoor faucets and sprinklers. legs. albopictus determined that mosquito larvae arrived in Washington via cargo containers of imported used Fill or drain areas in your yard where water tires and lucky bamboo plants. can pool. Adult Where would I find them? Check water-holding containers and plants, How to prevent disease spread particularly those recently imported, for mosquitoes by mosquitoes? Egg Pupa in their immature life stages—eggs, larvae, and Mosquitoes, native or invasive, can carry disease. pupae. They prefer containers with water containing The best way to protect yourself and family is to organic matter, such as decaying leaves or algae. avoid mosquito bites. Adult mosquitoes bite people and animals, so they Wear long sleeves, long pants, and tend to stay close to homes or in neighboring woods. Female Aedes mosquitoes Pupae change into light-colored, loose-fitting clothing when lay black eggs on the wet, Larva adult mosquitoes. What can I do to help? mosquitoes are most active. inner walls of water-holding When development is containers above the complete, the pupal Take steps to control mosquitoes inside and outside Properly apply an EPA-registered repellent waterline. skin splits and the adult of your home. Be on the watch for invasive Aedes with the active ingredient, DEET, picaridin, emerges from the water. aegypti and Aedes albopictus mosquitoes. Report a IR3535, oil of lemon-eucalyptus, or sighting to the Washington State Department of 2-undecanone. Health, Zoonotic Disease Program at 360-236-3385 Repair or replace window and door screens or [email protected]. to keep out mosquitoes. Larvae hatch when water inside the container covers For more tips, visit our Mosquitoes webpage, the eggs. They feed on organic www.doh.wa.gov and search ”mosquito.” matter and microorganisms. DOH 333-235 June 2017