Japanese-encephalitis-virus
Guides
Aedes japonicus
Asian bush mosquito, Asian rock pool mosquito
Aedes japonicus is an invasive mosquito species native to East Asia, first described from Tokyo in 1901. It has established populations in North America, Europe, and Hawaii through human-mediated transport of eggs in used tires and containers. The species is a competent vector for West Nile virus, La Crosse virus, Japanese encephalitis virus, and St. Louis encephalitis virus, with experimental evidence for dengue and chikungunya viruses. Its cold-hardiness, ecological plasticity, and ability to exploit diverse container habitats contribute to its invasive success.