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TIGER MOSQUITOES

Tiger mosquitoes are several closely related species from

the same genus:

The Asian tiger mosquito, Aedes albopictus (Stegomyia albopicta) The Yellow fever mosquito, also dengue mosquito or Egyptian tiger mosquito, Aedes aegypti (Stegymyia aegypti) The Polynesian tiger mosquito, Aedes polynesiensis (Stegomyia polynesiensis). Tiger mosquitoes are widespread throughout the tropical and subtropical regions of the world, partly also in the Mediterranean area. Tiger mosquitoes are considered to be the vectors for diseases like chikungunya fever, dengue fever and Zika.

The Asian Tiger Mosquito

The Asian tiger mosquito (Aedes albopictus) is originally from Southeast Asia. In the last 30 years it has invaded many countries around the world, including various regions in the Americas and the Mediterranean. In North America they adapted to the colder climate so that they now can be found as far north as the Great Lakes region. A primary reason for the wide distribution is that the Asian tiger mosquito moves easily in shipments of plants and used tires across the world. A detailed distribution of Aedes albopictus in Europe (as of July 2015) developed by   ECDC/VBORNET  (European Centre for Desease Prevention and Control) is shown below.  Behaviour Unlike most other mosquitoes, this species is a day biter and unusually aggressive. This is why it has become a major pest in many communities. Female tiger mosquitoes normally lay their eggs in natural or artificial containers filled with water. Flower pots, vases, buckets, water barrels, discarded tires, rain gutters, or even discarded cups with water in them are used as breeding sites.  Their eggs are tolerant to periods of drought, making the Asian tiger mosquito is perfectly adapted to the urban environment. What diseases do the Asian tiger mosquitoes transmit? Asian tiger mosquitoes are considered to be an important transmitting organism, or vector, of a disease called  Link to external sitechikungunya fever. They can also transmit the disease Link to external sitedengue fever and Zika fever .  The Asian tiger mosquito bites humans, as well as, birds and other animals. This is why scientists consider it a potential bridge vector, meaning that it may pick up disease agents from animals and transmit them to humans. Aedes albopictus (Asian Tiger mosquito / Asiatische Tigermücke) Grafic from I. Schleip, Biogents AG Characteristics The dark-colored Asian tiger mosquito is about 3-10 mm length. A single silvery- white line that begins on the head and continues down the dorsal side of the thorax is the surest characteristic marking to identify the Asian tiger mosquito. A further striking feature is the white markings on the legs.
Asian Tiger Mosquito Characteristic Aedes Albopictus Female Tiger Mosquito Distribution 2015 Aedes Albopictus Map

The life cycle of tiger mosquitoes

The life cycle of the Asian tiger mosquito and the Yellow fever mosquito are very similar. The eggs are resistant to heat and dryness and are deposited in natural and artificial containers subject to flooding. When eggs are covered by water, the larvae hatch. They hang at the surface of the water and breathe through a snorkel-like siphon at the tip of the abdomen. There are four larval stages that feed on organic material that they filter out of the water with their mouthparts. The fourth-stage larva changes into a pupa, that hangs at the surface of the water and breathes air through two snorkel-like siphons at the front end. The pupa is a non-feeding stage where the mosquito changes from the larval form into an adult insect, or imago.  The adult mosquito emerges from the pupa and normally feed on sweet plant juices and nectar to meet their energy requirement. Only female mosquitoes feed on blood, which they need to produce their eggs.

The Yellow Fever Mosquito

The yellow fever mosquito, or Egyptian tiger mosquito, is widespread throughout the tropical and subtropical regions of the world. The species was once abundant in southern Europe, but disappeared after the 1950's. There are two main reasons: Firstly, the development of a communal water supply and better sanitation diminished the number of breeding sites. Secondly, the intensive use of the insecticide DDT against malaria mosquitoes also killed off Aedes aegypti mosquitoes. Today, there are only occasional reports of Aedes aegypti in Europe.  A detailed distribution of Aedes aegypti in Europe (as of July 2015) developed by   ECDC/VBORNET (European Centre for Desease Prevention and Control) is shown below.  Behaviour The yellow fever mosquito breeds in close proximity to humans in habitats to those used by the Asian tiger mosquito. These include: water-filled flower pots, vases, buckets, water barrels, rain gutters, discarded cups and bottles, plants that hold small quantities of water, or any other containers. The yellow fever mosquito is also an aggressive and persistent day biter that prefers to feed on human beings. Yellow fever mosquitoes regularly enter houses looking for hosts or places to rest. What diseases do the Yellow fever mosquitoes transmit? The yellow fever mosquito is not only the main vector of Link to external siteyellow fever, but also of Link to external sitedengue fever  and Zika fever. It is also known to transmit a disease called Link to external sitechikungunya. Characteristics The dark-colored yellow fever mosquito is about 3-4 mm length.  The mosquito can be identified by a marking in the form of a lyre on the dorsal side of the thorax and striking white and black patterns on the legs.
Female Aedes Aegypti Gruen Distribution 2015 Aedes Aegypti Map Characteristic Aedes Aegypti Mosquito Life Style Seperator
Copyright © 2016 Dr No Mosquito | All Rights Reserved
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TIGER MOSQUITOES

Tiger mosquitoes are several closely related species from the same genus: The Asian tiger mosquito, Aedes albopictus (Stegomyia albopicta) The Yellow fever mosquito, also dengue mosquito or Egyptian tiger mosquito, Aedes aegypti (Stegymyia aegypti) The Polynesian tiger mosquito, Aedes polynesiensis (Stegomyia polynesiensis). Tiger mosquitoes are widespread throughout the tropical and subtropical regions of the world, partly also in the Mediterranean area. Tiger mosquitoes are considered to be the vectors for diseases like chikungunya fever, dengue fever and Zika. The life cycle of tiger mosquitoes The life cycle of the Asian tiger mosquito and the Yellow fever mosquito are very similar. The eggs are resistant to heat and dryness and are deposited in natural and artificial containers subject to flooding. When eggs are covered by water, the larvae hatch. They hang at the surface of the water and breathe through a snorkel-like siphon at the tip of the abdomen. There are four larval stages that feed on organic material that they filter out of the water with their mouthparts. The fourth-stage larva changes into a pupa, that hangs at the surface of the water and breathes air through two snorkel-like siphons at the front end. The pupa is a non-feeding stage where the mosquito changes from the larval form into an adult insect, or imago.  The adult mosquito emerges from the pupa and normally feed on sweet plant juices and nectar to meet their energy requirement. Only female mosquitoes feed on blood, which they need to produce their eggs. The Asian Tiger Mosquito The Asian tiger mosquito (Aedes albopictus) is originally from Southeast Asia. In the last 30 years it has invaded many countries around the world, including various regions in the Americas and the Mediterranean. In North America they adapted to the colder climate so that they now can be found as far north as the Great Lakes region. A primary reason for the wide distribution is that the Asian tiger mosquito moves easily in shipments of plants and used tires across the world. A detailed distribution of Aedes albopictus in Europe (as of July 2015) developed by   ECDC/VBORNET  (European Centre for Desease Prevention and Control) is shown below. Behaviour Unlike most other mosquitoes, this species is a day biter and unusually aggressive. This is why it has become a major pest in many communities. Female tiger mosquitoes normally lay their eggs in natural or artificial containers filled with water. Flower pots, vases, buckets, water barrels, discarded tires, rain gutters, or even discarded cups with water in them are used as breeding sites.  Their eggs are tolerant to periods of drought, making the Asian tiger mosquito is perfectly adapted to the urban environment. What diseases do the Asian tiger mosquitoes transmit? Asian tiger mosquitoes are considered to be an important transmitting organism, or vector, of a disease called  Link to external sitechikungunya fever. They can also transmit the disease Link to external sitedengue fever and Zika fever .  The Asian tiger mosquito bites humans, as well as, birds and other animals. This is why scientists consider it a potential bridge vector, meaning that it may pick up disease agents from animals and transmit them to humans. Aedes albopictus (Asian Tiger mosquito / Asiatische Tigermücke) Grafic from I. Schleip, Biogents AG Characteristics The dark-colored Asian tiger mosquito is about 3-10 mm length. A single silvery-white line that begins on the head and continues down the dorsal side of the thorax is the surest characteristic marking to identify the Asian tiger mosquito. A further striking feature is the white markings on the legs.
Stegomyia Albopicta Characteristic Aedes Albopictus Female Tiger Mosquito Distribution Aedes Albopictus Map 2015 Mosquito Life Cycle
The Yellow Fever Mosquito The yellow fever mosquito, or Egyptian tiger mosquito, is widespread throughout the tropical and subtropical regions of the world. The species was once abundant in southern Europe, but disappeared after the 1950's. There are two main reasons: Firstly, the development of a communal water supply and better sanitation diminished the number of breeding sites. Secondly, the intensive use of the insecticide DDT against malaria mosquitoes also killed off Aedes aegypti mosquitoes. Today, there are only occasional reports of Aedes aegypti in Europe.  A detailed distribution of Aedes aegypti in Europe (as of July 2015) developed by   ECDC/VBORNET (European Centre for Desease Prevention and Control) is shown below.  Behaviour The yellow fever mosquito breeds in close proximity to humans in habitats to those used by the Asian tiger mosquito. These include: water-filled flower pots, vases, buckets, water barrels, rain gutters, discarded cups and bottles, plants that hold small quantities of water, or any other containers. The yellow fever mosquito is also an aggressive and persistent day biter that prefers to feed on human beings. Yellow fever mosquitoes regularly enter houses looking for hosts or places to rest. What diseases do the Yellow fever mosquitoes transmit? The yellow fever mosquito is not only the main vector of Link to external siteyellow fever, but also of Link to external sitedengue fever  and Zika fever. It is also known to transmit a disease called Link to external sitechikungunya. Characteristics The dark-colored yellow fever mosquito is about 3-4 mm length.  The mosquito can be identified by a marking in the form of a lyre on the dorsal side of the thorax and striking white and black patterns on the legs.
Female Yellow Fever Tiger Mosquito Distribution Aedes Aegypti Map 2015 Aedes Aegypti Characteristic Seperator