''Culex sitiens'' is an insect native to coastal areas of East Africa and Madagascar, southwestern Asia, Ryukyu Archipelago, Korea, northern Australia and South Pacific islands. There is evidence it is a vector for

Japanese encephalitis Japanese encephalitis (JE) is an infection of the brain caused by the Japanese encephalitis virus (JEV). While most infections result in little or no symptoms, occasional inflammation of the brain occurs. In these cases, symptoms may include he ...

, as well as the roundworm ''

Brugia malayi ''Brugia malayi'' is a filarial (arthropod-borne) nematode (roundworm), one of the three causative agents of lymphatic filariasis in humans. Lymphatic filariasis, also known as elephantiasis, is a condition characterized by swelling of the lower ...

'' in Thailand.

References

sitiens Insect vectors of human pathogens Insects described in 1828 {{Culicidae-stub