1Problems of the research and development of hygienic insecticide formulationsWANG Yi-Yan, TU Yu-Qin341-3452Dissertation on several problems about rodents deratization in large areas345-3483Application and development of insect repellentMA Yi, JIANG Zhi-kuan349-3544Development of IPM strategy and demands of insecticides in termites controlLI Xiao-ying354-3585Faunal features on Leptoconops in ChinaJIANG Xiao-wen, LIU Zeng-jia359-3626Surveillance of dengue vector and study of controlling Aedes albopictus in city area of FoshanLIN Li-hui, LI Jin-Qing, WEN Wei-dong, LIU Jian-wei, LI Rong-biao, LI Yun, BAI Zhi-jun, FANG Mei-yu363-3677Control effects of Juguang bait on cockroachesMAO Wei-guang, LV Cheng-Jun, ZHANG Bo- huan, CHEN Cai-hong367-3688Investigation on seasonal variation of cockroach density indoor in Suzhou urban districtsMA Zhen-hong, HUA Yi-jiang, PAN Kai-you, JlA Qiu-fang, ZHANG Li-hong, HUANG Yong-ding, CHEN Shu-yu369-3719Monitoring situation report of mice deratization of Weifang cityZHANG Hong-xiang, WANG Chun-shan, HAN Xiu-qin, LIU Peng-qi371-37410Resistance of Culex pipiens pallens to propoxurWANG Huai-wei, ZHEN Tian-min, WANG Xin-guo, SUN Chuan-hong, JIANG Hong-tao, CHENG Peng375-37711Resistance monitor of Culex pipiens quinquefasiatus to six kinds of insecticidesREN Zhang-yao, ZHU Jiang, HUANG liang377-37812Study on method for killing Blattella germanica in storied buildingDING Zhi-wei, SHEN Fu-jie, CAO Hui, LOU Ju-ping, LUO Shun-er379-38013Efficacy of natural pyrethrum mosquito coil against Culex pipiens pallensXU Cheng-long, LU Zheng-qiu381-38214Resistance of Culex pipiens pallens larva to four kinds of insecticides in NanjingLI Yu-lan, LU Zheng-qiu, XU Cheng-long, ZHENG Yi-ping, ZHANG Chuan-hua, GONG Xiao-zhong383-38415Harm of fleas and its control developmentMA Yi, JIANG Zhi-kuan, HAN Zhao-Jiu385-38816Contents and targets determination of monitoring west nile in national border portDING Yong-jian, WU Jian-feng390-39317Practical technology for PCOXU Jia-Jun394-39518Brief discussion on the integration of railway PCO with the market economyLIU Qiang, HE Xiao-ming39719Responsibility insurance on aptitude evaluation of PCO corporationsYANG Zhen-zhou39820Application of natural pyrethrum in insecticidesYAN Xiu-qin, WANG Yao-sheng388-389