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An Ochlerotatus triseriatus mosquito

An Ochlerotatus triseriatus mosquito

An Ochlerotatus triseriatus mosquito feeding on a human hand.

Also known as Aedes triseriatus, and commonly known as the “treehole mosquito”, this species has been identified in mosquito pools reported as positive for the West Nile Virus, and is also a know vector for the La Crosse virus.

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female Aedes albopictus mosquito

female Aedes albopictus mosquito

A female Aedes albopictus mosquito feeding on a human host.

Under experimental conditions the Aedes albopictus mosquito, also known as the Asian Tiger Mosquito, has been found to be a vector of West Nile Virus. Aedes is a genus of the Culicine family of mosquitoes.

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Culex quinquefasciatus mosquito

Culex quinquefasciatus mosquito

Known as a vector for the West Nile virus, this Culex quinquefasciatus mosquito has landed on a human finger.

The main transmitter of the West Nile virus in the southeast is the species C. quinquefasciatus. Eliminating puddles and small containers of water can greatly reduce this mosquito’s population.

Female Aedes Aegypti Mosquito

Female Aedes Aegypti Mosquito Stock Photo

Female Aedes Aegypti Mosquito

This image depicted a female Aedes aegypti mosquito as she was obtaining a blood-meal from a human host through her fascicle, which being transparent, reflected the blood’s red color. As it filled with blood, the abdomen became distended, thereby, stretching the exterior exoskeletal surface, causing it to become transparent, and allowing the collecting blood to become visible as an enlarging intra-abdominal red mass.

DF and DHF are primarily diseases of tropical and sub-tropical areas, and the four different dengue serotypes (DEN-1, DEN-2, DEN-3, and DEN-4), are maintained in a cycle that involves humans and the Aedes mosquito. However, Aedes aegypti, a domestic, day-biting mosquito that prefers to feed on humans, is the most common Aedes species. Infections produce a spectrum of clinical illness ranging from a nonspecific viral syndrome to severe and fatal hemorrhagic disease. Important risk factors for DHF include the strain of the infecting virus, as well as the age, and especially the prior dengue infection history of the patient.

Female Aedes aegypti mosquito

Female Aedes Aegypti Mosquito

Female Aedes aegypti mosquito

This photograph depicted a female Aedes aegypti mosquito as she was in the process inserting her fascicle through the skin surface of her host. She then proceeded to obtain a “blood meal.”As it would fill with blood, the abdomen would become distended, thereby, stretching the exterior exoskeletal surface, causing it to become transparent, and allowing the collecting blood to become visible as an enlarging red mass.

As the primary vector responsible for the transmission of the Flavivirus Dengue (DF), and Dengue hemorrhagic fever (DHF), the day-biting Aedes aegypti mosquito prefers to feed on its human hosts. Ae. aegypti also plays a major role as a vector for another Flavivirus, “Yellow fever”. Frequently found in its tropical environs, the white banded markings on the tarsal segments of its jointed legs, though distinguishing it as Ae. aegypti, are similar to some other mosquito species. Also note the lyre-shaped, silvery-white markings on its thoracic region as well, which is also a determining morphologic identifying characteristic.