During prone Papilionidae leaves fresh nursery stock, resulting in negative growth of seedlings, with 50 percent trichlorfon and marathon emulsion 0.1% solution sprayed governance.

• 期间易发生凤蝶食苗木嫩叶，造成苗木生长不良时，用50%25敌百虫和马拉松乳剂0.；1%25溶液喷治。