Aedes japonicus

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Aedes japonicus (click on image to enlarge it)
Author(s): James Gathany
Source: Public Health Image Library - image ID 7887

Aedes japonicus (Theobald, 1901) - (Asian bush mosquito)
is native to far eastern Asia and has been recorded from North America since 1998 and from Europe since 2000. The transport of used tires, one of its breeding sites, is suspected as the source of these invasions. It has been intercepted on used tire shipments. Other suspected means of dispersal are airplanes and water shipped together with imported Dracaena bamboos.

Aedes japonicus (click on image to enlarge it)
Author(s): James Gathany
Source: Public Health Image Library - image ID 7959

A. japonicus can transmit the West Nile virus and other diseases like Japanese encephalitis. The species is adapted to temperate climates and overwinters in the egg or larval stages. It has been found in areas where winter temperatures can reach −18°C. The eggs can also survive several months without water. It can use diverse larval habitats including natural water accumulations like rockpools, tree holes or leaf axils as well as articficial containers.

A. japonicus feeds mainly on mammals. An extended analysis of blood meals in North America detected in 36% of the cases human blood, in 60% blood from deer or possums and in 3% blood from horses. It bites during the day. The adult is dark brown with white stripes on body and legs. The development time from egg to mature adult last around 3-4 weeks

Vernacular names
• Deutsch: Asiatische Buschmücke
• English: Asian bush mosquito
Asian rock pool mosquito

Synonyms:
Hulecoeteomyia japonica
Ochlerotatus japonicus

For a review see Kampen and Werner, 2014.

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