FIELD CONTROL EFFICACY OF S-METHOPRENE ON GERMAN COCKROACHES, BLATTELLA GERMANICA IN SHANGHAI CITY Journal title: Acta Parasitologica et Medica Entomologica Sinica Authors: Min-hui ZHU, Li-jun LIU, Yi-bin ZHOU, Zhi-yin XU, Hong-xia LIU Subject(s): Biological Sciences