Analysis of Platycladus orientalis Volatiles and Their Electroantennogram Responses with Semanotus bifasciatus Utilization the Pyemotes sp. and Scleroderma guani Xiao et Wu to Control the Larvae of Semanotus bifasciatus STUDY ON THE MATING BEHAVIOR AND THE FEMALE RECOGNITION PHEROMONE OF CHINA-FIR BORER Chemical control on Semanotus bifasciatus (Motschulsky) with Trap Log