Parameral sheath of Phlebotominae. (A) With a transparent inferior top: Phlebotomus perfiliewi; (B) rounded with a knob at the top: Idiophlebotomus nicolegerae; (C) wide and short: Chinius eunicegalatiae; (D) with transparent top: Phlebotomus (Euphlebotomus) barguesae; (E) pointed: Phlebotomus (Paraphlebotomus) chabaudi; (F) rounded at the top: Sergentomyia (Vattieromyia) anka; (G) drumstick-like: Phlebotomus (Larroussius) major; (H) finger-like: Phlebotomus (Madaphlebotomus) vaomalalae; (I) with hooked top: Phlebotomus (Paraphlebotomus) mongolensis.