The secretions and getting rid of technique are major presented, that provided the theory basis and practical txperience for the difficult questions to control Psylla Chinensis in pear orchards.

• 梨木虱及其分泌物的危害和综合防治的研究进展.；重点介绍了中国梨木虱分泌物及其破除技术；为解决梨树生产中梨木虱难防治问题提供了理论依据和实践经验