Electroantennogram and behavioural responses of two varieties of Leis axyridis from three types of habitats to aphid-damaged tea shoot volatiles and aphid kairomones EFFECTS OF TEMPERATURE ON THE DEVELOPMENT,SURVIVAL AND REPRODUCTION OF LEIS AXYRIDIS (PALLAS) Behavior response of four Leis axyridis varieties to volatiles from tea and Toxoptera aurantii STUDIES ON THE CONTROL OF PINE CATERPILLARS, DENDROLIMUS TABULAEFORMIS & D. SPECTABILIS, WITH DIF LUBENZURON (Ⅲ) THE INFLUENCE OF DIFLUBENZURON ON THE NATURAL ENEMIES OF THE PINE CATERPILLARS