Lecture outline: Concept of Agri.Ento. >Contents of research on Agri.Ento. Disaster characteristics of agricultural pest insects History of Agri.Ento.home and abroad Main achievements of Agri.Ento.in China >Guidelines of plant protection in China 22 Lecture outline: Lecture outline: ¾ Concept of Concept of Agri. Ento. ¾ Contents of research on Contents of research on Agri. Ento. ¾ Disaster characteristics of agricultural pest Disaster characteristics of agricultural pest insects insects ¾ History of History of Agri. Ento. home and abroad . home and abroad ¾ Main achievements of Main achievements of Agri. Ento. in China . in China ¾ Guidelines of plant protection in China Guidelines of plant protection in China