瓜类露菌病菌;胡瓜、甜瓜、越瓜、西瓜、南瓜类、丝瓜、扁蒲、冬瓜、苦瓜白粉病菌

Pseudoperonospora humuli(Miyabe et Takahashi) Wilson

Pseudoperonospora cannabina(Otth)Curzi

Pseudoperonospora momordicae Sawada;P.cubensis(B. et C.) Rostowzew

Pseudoperonospora luffae Sawada;P.cubensis(Barkeley et Caurtis) Rostowzew

Pseudoperonospora celtidis(Waite)G.w.Wilson