Commonly known as “elephantiasis,” this disease occurs when filarial parasites are transmitted to humans through the bites of mosquitoes that harbor infective-stage larvae. The larvae then migrate to the lymphatic vessels where they develop into adult worms, forming nests in the human lymphatic system, which can lead to permanent disability with painful disfigurement.
This complex contains both Culex pipiens pipiens (northern house mosquito) and Culex pipiens quinquefasciatus (southern house mosquito). Culex pipiens can carry a number of different diseases, including West Nile virus, Rift Valley fever, and Sindbis virus. It is also a primary vector of periodic Wuchereria bancrofti filariasis.