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Description

The Asian tiger mosquito ( Aedes albopictus) is a small black and white mosquito, about 1/4-inch long. The name "tiger mosquito" comes from its white and black color pattern. It has a white stripe running down the center of its head and back with white bands on the legs. Note that other Illinois mosquitoes also have banded legs.

These mosquitoes lay their eggs in water-filled natural and artificial containers like cavities in trees and old tires; they do not lay their eggs in ditches or marshes. The Asian tiger mosquito usually does not fly more than about 1/2 mile from its breeding site.

The wormlike mosquito larvae swim with a wriggling motion and are sometimes called "wrigglers." About 10 days after hatching, the larvae are about 1/4-inch long and completely grown. They then change into comma-shaped pupae that are sometimes called "tumblers" because of their tumbling motion in water when disturbed. The pupa stage completes their development into adult mosquitoes. When fully developed, an adult mosquito will emerge from each pupa at the water surface. Adult mosquitoes emerge from pupae in as little as 10 to 14 days after the eggs hatch during the summer.

Asian tiger mosquitoes spend the winter in the egg stage, hatching into larvae when the eggs are covered with water in the spring and summer. The larvae feed on small bits of debris and bacteria in the water.

Male mosquitoes feed on plant juices and do not bite. Female mosquitoes seek blood to help their eggs develop. Unlike many other Illinois mosquitoes, the Asian tiger feeds during daylight hours, not at night. As with other mosquitoes, though, Asian tiger mosquitoes are attracted to dark clothing, perspiration, carbon dioxide and certain other odors. The mosquito will bite squirrels, dogs, deer and other animals as well as people. About four or five days after feeding on blood, the female mosquito lays her eggs just above the surface of the water in a hard-sided container like a tree hole, old bucket or tire. When rain covers the eggs with water, the larvae hatch.

The Asian tiger mosquito was introduced into the United States. in tire casings imported for recapping. Movement of tire casings has spread the species to more than 20 states since 1985. The tiger mosquito is an important disease carrier in Asia. In the United States, it has been found to be infected with LaCrosse encephalitis viruses and West Nile virus, which can cause encephalitis (inflammation of the brain). However, it is presently unclear whether the Asian tiger mosquito will be a significant carrier of disease in the in the United States.

The bite of the Asian tiger mosquito is not particularly irritating to most people, but they are persistent biters. Because they breed in nearly any sort of water-filled container, they often become very common and bothersome, even in neighborhoods where there are normally few mosquitoes. In some southern cities, the Asian tiger mosquito has become the most important nuisance mosquito.

It is not necessary to limit outdoor activities unless there is evidence of mosquito-borne disease in your area. However, you can and should try to reduce the risk of being bitten by mosquitoes:

Minimize time spent outdoors between dusk and dawn when mosquitoes are most active.

Be sure door and window screens fit tightly and are in good repair.

Wear shoes, socks, long pants and a long-sleeved shirt when outdoors for long periods of time, and when mosquitoes are most active. Clothing should be light colored and made of tightly woven materials to keep mosquitoes away from the skin.

Use mosquito netting when sleeping outdoors or in an unscreened structure, and to protect infants when outdoors.

When it is necessary to be outdoors, apply insect repellent as indicated on the product's label. The more DEET a product contains, the longer the repellent can protect against bites. However, concentrations higher than 50 percent do not increase the length of protection. For most situations, 10 percent to 25 percent DEET is adequate. Apply to clothes when possible, and sparingly to exposed skin if the label permits. Consult a physician before using repellents on young children.

Note that insect light traps ("bug zappers") or sound devices do little to reduce the number of biting mosquitoes in an area.

Spraying your backyard with an insecticidal fog or mist is effective only for a short time. Mosquitoes will return when the spray dissipates.

Installing bird or bat houses has been suggested as a method of mosquito control. However, there is little scientific evidence that these insect-eating animals significantly reduce mosquito populations around homes.

Because the Asian tiger mosquito is active during the day, "fogging" (space spraying from specially equipped trucks) provides little control, as this method is generally ineffective due to atmospheric conditions during daylight hours. You can, however, greatly reduce the number of tiger mosquitoes in your area by getting rid of breeding places:

Remove any water-filled containers like old tires, food containers and buckets from your yard.

Keep mosquitoes from breeding in bird baths, pet water dishes and plastic wading pools by emptying them at least once a week.

Roof gutters should be kept clean of fallen leaves and other debris so that water does not collect in them.

Neighborhood residents should work together to eliminate breeding sites like abandoned cars, old machinery, drums and other junk in vacant lots.

Report piles of discarded tires or other accumulations of water-holding junk to local health officials.

Businesses should cover tires, store them indoors or treat them with an insecticide labeled by the U.S. Environmental Protection Agency for control of mosquito larvae.

These measures will also help control other Illinois mosquitoes that are disease carriers.

For more information,contact your local health department
or

Illinois Department of Public Health
Division of Environmental Health
525 W. Jefferson St.
Springfield, IL 62761
217-782-5830

TTY (hearing impaired use only)
800-547-0466

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Description The Asian tiger mosquito (Aedes albopictus) is a small black and white mosquito, about 1/4-inch long. The name "tiger mosquito" comes from its white and black color pattern. It has a white stripe running down the center of its head and back with white bands on the legs.

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Most US scientists are advising people to remove old things laying around, for example, old tires, or any water-filled containers, otherwise, if you see any, report them, or kill them right away, to stop the spread.

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The Asian tiger mosquito is an aggressive biter that feeds primarily during the day and will sit on anything including man, domestic and wild animals, and birds. They carry many deadly diseases such as yellow fever and dog heart worm.

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Description

The Asian tiger mosquito ( Aedes albopictus) is a small black and white mosquito, about 1/4-inch long. The name"tiger mosquito" comes from its white and black color pattern. It has a white stripe running down the center of its head and back with white bands on the legs. Note that other Illinois mosquitoes also have banded legs.

These mosquitoes lay their eggs in water-filled natural and artificial containers like cavities in trees and old tires; they do not lay their eggs in ditches or marshes. The Asian tiger mosquito usually does not fly more than about 1/2 mile from its breeding site.

Life Cycle and Habits

The wormlike mosquito larvae swim with a wriggling motion and are sometimes called "wrigglers." About 10 days after hatching, the larvae are about 1/4-inch long and completely grown. They then change into comma-shaped pupae that are sometimes called "tumblers" because of their tumbling motion in water when disturbed. The pupa stage completes their development into adult mosquitoes. When fully developed, an adult mosquito will emerge from each pupa at the water surface. Adult mosquitoes emerge from pupae in as little as 10 to 14 days after the eggs hatch during the summer.

Asian tiger mosquitoes spend the winter in the egg stage, hatching into larvae when the eggs are covered with water in the spring and summer. The larvae feed on small bits of debris and bacteria in the water.

Male mosquitoes feed on plant juices and do not bite. Female mosquitoes seek blood to help their eggs develop. Unlike many other Illinois mosquitoes, the Asian tiger feeds during daylight hours, not at night. As with other mosquitoes, though, Asian tiger mosquitoes are attracted to dark clothing, perspiration, carbon dioxide and certain other odors. The mosquito will bite squirrels, dogs, deer and other animals as well as people. About four or five days after feeding on blood, the female mosquito lays her eggs just above the surface of the water in a hard-sided container like a tree hole, old bucket or tire. When rain covers the eggs with water, the larvae hatch.

Importance

The Asian tiger mosquito was introduced into the United States. in tire casings imported for recapping. Movement of tire casings has spread the species to more than 20 states since 1985. The tiger mosquito is an important disease carrier in Asia. In the United States, it has been found to be infected with LaCrosse encephalitis viruses and West Nile virus, which can cause encephalitis (inflammation of the brain). However, it is presently unclear whether the Asian tiger mosquito will be a significant carrier of disease in the in the United States.

The bite of the Asian tiger mosquito is not particularly irritating to most people, but they are persistent biters. Because they breed in nearly any sort of water-filled container, they often become very common and bothersome, even in neighborhoods where there are normally few mosquitoes. In some southern cities, the Asian tiger mosquito has become the most important nuisance mosquito.

Prevention and Control

It is not necessary to limit outdoor activities unless there is evidence of mosquito-borne disease in your area. However, you can and should try to reduce the risk of being bitten by mosquitoes:

Minimize time spent outdoors between dusk and dawn when mosquitoes are most active.

Be sure door and window screens fit tightly and are in good repair.

Wear shoes, socks, long pants and a long-sleeved shirt when outdoors for long periods of time, and when mosquitoes are most active. Clothing should be light colored and made of tightly woven materials to keep mosquitoes away from the skin.

Use mosquito netting when sleeping outdoors or in an unscreened structure, and to protect infants when outdoors.

When it is necessary to be outdoors, apply insect repellent as indicated on the product's label. The more DEET a product contains, the longer the repellent can protect against bites. However, concentrations higher than 50 percent do not increase the length of protection. For most situations, 10 percent to 25 percent DEET is adequate. Apply to clothes when possible, and sparingly to exposed skin if the label permits. Consult a physician before using repellents on young children.

Note that insect light traps ("bug zappers") or sound devices do little to reduce the number of biting mosquitoes in an area.

Spraying your backyard with an insecticidal fog or mist is effective only for a short time. Mosquitoes will return when the spray dissipates.

Installing bird or bat houses has been suggested as a method of mosquito control. However, there is little scientific evidence that these insect-eating animals significantly reduce mosquito populations around homes.

Because the Asian tiger mosquito is active during the day, "fogging" (space spraying from specially equipped trucks) provides little control, as this method is generally ineffective due to atmospheric conditions during daylight hours. You can, however, greatly reduce the number of tiger mosquitoes in your area by getting rid of breeding places:

Remove any water-filled containers like old tires, food containers and buckets from your yard.

Keep mosquitoes from breeding in bird baths, pet water dishes and plastic wading pools by emptying them at least once a week.

Roof gutters should be kept clean of fallen leaves and other debris so that water does not collect in them.

Neighborhood residents should work together to eliminate breeding sites like abandoned cars, old machinery, drums and other junk in vacant lots.

Report piles of discarded tires or other accumulations of water-holding junk to local health officials.

Businesses should cover tires, store them indoors or treat them with an insecticide labeled by the U.S. Environmental Protection Agency for control of mosquito larvae.

These measures will also help control other Illinois mosquitoes that are disease carriers.

For more information,
contact your
local health department

Or

Illinois Department of Public Health
Division of Environmental Health
525 W. Jefferson St.
Springfield, IL 62761
217-782-5830

TTY (hearing impaired use only)
800-547-0466

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Asian Tiger Mosquito Prevention and Control

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The Asian tiger mosquito ( Aedes albopictus) is a small black and white mosquito, about 1/4-inch long. The name"tiger mosquito" comes from its white and black color pattern. It has a white stripe running down the center of its head and back with white bands on the legs.

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Aedes albopictus

Identification

Pest Stats

What do Asian Tiger Mosquitoes look like?

Asian tiger mosquitoes are black with silvery white markings. The best way to identify this species is by the single median silver-white stripe from its head down the center of its back, as well as its striped black and white legs. As with all mosquito species, the antennae of the males in comparison to female is noticeably bushier and contains auditory receptors to detect the characteristic buzz of the female.

Signs of an Infestation

Signs of mosquito activity include the buzzing of the females and presence of their bites on the skin, which people have various reactions to, ranging from mild irritation to intense inflammation and swelling. Another telltale sign of a mosquito problem would be the presence of immature mosquitoes in standing water.

Infestation

Find a Pest Control Professional

Do Asian Tiger Mosquitoes bite?

Female Asian tiger mosquitoes typically bite during the daytime. Asian tiger mosquito bites are not necessarily painful, but they can leave an itchy, red bump on the skin. Male Asian tiger mosquitoes do not bite and primarily feed on plant nectar.

Education

Habits

Asian tiger mosquitoes are unique in that they typically feed during the daylight hours, unlike many other mosquito species that feed only at dusk and dawn. In warm regions, Asian tiger mosquitoes are active year-round. However, they are known to overwinter in temperate climates. Like other mosquito species, only females require a blood meal to produce eggs. The females lay their eggs inside items that can hold at least a half inch of stagnant water, such as tires, flowerpots, birdbaths and clogged drains. That means something as small as a bottle cap can hold enough water for larvae (the immature form of insects) to develop! Breeding sites are likely to be close to where the adult mosquito can be found.

Habitat

In warm regions, Asian tiger mosquitoes are active year-round. However, they are known to overwinter in temperate climates. The females lay their eggs inside items that can hold stagnant water, such as tires, flowerpots, birdbaths and clogged drains.

Threats

Asian tiger mosquitoes can transmit numerous diseases including Eastern Equine Encephalitis (EEE), West Nile virus, and dengue fever. This biting insect is also the primary vector for Chikungunya, a virus similar to dengue fever. The disease originated in southeast Africa and was first described in Tanzania in 1952. It has since spread throughout the Americas, the Caribbean islands, and most recently in the United States.

Asian tiger mosquitoes are in fact also capable of transmitting Zika virus, a rare mosquito-borne disease that has made its way to the United States. Zika virus was first identified in 1947 in Africa as an infection of rhesus monkeys in the Zika forest of Uganda. Read more: Zika Virus - What You Need to Know.

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Aedes albopictus Identification Pest Stats Asian tiger mosquitoes are black with silvery white markings. The best way to identify this species is by the single median silver-white stripe from its head down the center of its back, as well as its striped black and white legs.

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Asian Tiger Mosquito, Aedes albopictus

The Situation: The Asian tiger mosquito entered the United States in shipments of used tires from northern Asia in the mid-1980s. It can survive in a broad range of climates and has spread rapidly from the point of first detection in the south-central United States. Prior to its successful invasion of the southeastern U.S., isolated introductions of this mosquito were detected and eradicated in California in 1971 and 1987. In 2001, the Asian tiger mosquito was found in two northern and four southern counties of California. This mosquito did not spread to California from the ongoing invasion in eastern and central U.S., but was introduced into the State in shipments of ornamental bamboo ("Lucky Bamboo") from South China. Rapid detection of introduction and control efforts prohibited the spread of this species throughout California. The tiger mosquito is a very efficient vector of a variety of mosquito-borne pathogens that cause debilitating diseases in humans and domestic animals, especially horses and dogs.

Description: Adults of this mosquito have black bodies with conspicuous white stripes. A distinctive single white stripe runs the length of the back. Body length is approximately 0.5 centimeter. Distinct silver-white bands are evident on the palpus and tarsi. Eggs are approximately 0.1 centimeter in length and dark brown to black. Eggs are laid in moist areas just above the water surface and are capable of overwintering. Eggs hatch upon inundation and immature stages (larvae and pupae) of the life cycle occur in water. Larvae are filter feeders and occur in standing water found in discarded tires, small containers and tree holes. Pupae are comma-shaped and dark brown in color.

Health Risks: The Asian tiger mosquito is an aggressive biter that feeds primarily during the day and has a broad host range including man, domestic and wild animals, and birds. It is a potential vector of encephalitis, dengue (all four serotypes), yellow fever and dog heartworm. West Nile virus has been detected in this species in the eastern U.S. This mosquito is a competent vector of LaCrosse encephalitis and eastern equine encephalitis viruses. The Asian tiger mosquito also is a competent vector of two encephalitis viruses routinely monitored throughout California, St. Louis encephalitis (SLE) and western equine encephalomyelitis viruses. However, recent studies suggest that SLE levels in naturally infected avian hosts are generally insufficient to infect this mosquito. Therefore, it might not pose as great a threat for SLE transmission in California as do Culex mosquitoes. SLE is a viral disease which is often very serious in young children and the elderly, attacking the central nervous system and occasionally causing death. Yellow fever is an extremely serious disease that is not established in the U.S. or in regions adjacent to the contiguous United States. Although the Asian tiger mosquito is a competent laboratory vector of several viral pathogens, there is no evidence to date that this mosquito has caused human disease in the U.S.

Distribution: The Asian tiger mosquito is native to Southeast Asia and has been spread along major transportation routes by human activities, particularly commercial movement of scrap tires, to more than 900 counties in 26 states in the continental USA as well as Hawaii. Aedes albopictus was found again in California in 2001 and sporadically thereafter through 2004. Although introductions to ports and nurseries have been controlled, this species continues to pose a threat to public health in California. Introduction of this species in standing water, enclosed containers where pools of water are present, or by desiccation-resistant eggs associated with previous pools of standing water are likely mechanisms of invasion by this species.

Research: There is no ongoing research on this species in California. Research programs carried out by the CDC and in several southeastern states are focusing on documenting the distribution of the Asian tiger mosquito, studying the competitive interactions between Aedes albopictus and closely related species in the same genus, examining the disease incidence in specimens collected in nature, and carrying out laboratory vector competence studies. Cooperation between federal agencies and universities has greatly aided understanding of the distribution and ecology of this mosquito.

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Asian Tiger Mosquito, Aedes albopictus The Situation: The Asian tiger mosquito entered the United States in shipments of used tires from northern Asia in the mid-1980s. It can survive in a broad range of climates and has spread rapidly from the point of first detection in the south-central United States.

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The Asian tiger mosquito entered the United States in shipments of used tires from northern Asia in the mid-1980s. It can survive in a broad range of climates and has spread rapidly from the point of first detection in the south-central United States.

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If it is mosquito active time, cover your body and minimize outdoor time. Also put on bug spray.

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They are found in southeast Asia, but due to human traveling, and through transportation, the mosquitoes have spread around to places like  U.S., Texas, California, and Hawaii

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Aedes albopictus

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Asian tiger mosquitoes, also known as forest mosquitoes, are an exotic species that have stripes that are black and white down the center of their head and back, that's why they are called "tiger" mosquitoes. If you are bitten by one, they can transmit deadly and harmful diseases. they lay their eggs in water filled containers, such as old tires laying around.