The correct option is C Both have three pairs of legs, last pair is held up in the air while sitting
Culex is a genus of mosquitoes which carries worms of filariasis, Japanese encephalitis, St. Louis encephalitis, and avian malaria.
Anopheles is a genus of mosquito first described and named by J. W. Meigen in 1818. About 460 species are recognized, while over 100 can transmit human malaria. Both Culex and Anopheles have three pairs of legs, the last pair is held up in the air while sitting.