The selectivity mechanism of Anoplophora glabripennis on four different species of maples STUDIES ON THE INTERRELATIONSHIP AMONG OLIGONYCHUS UNUNGUIS HOST PLANTS AND AMBLYSEIUS FINLANDICUS Ⅰ The olfactory responses of Oligonychus ununguis to host plants and Amblyseius finlandicus to preys Regulation of Several Plant Growth Substances on Pine Shoot Growth and Their Effects on Shoot Pests Controlling The Effect on the Selectivity of Tetranychus viennensis for Different Host Plants by Vilatiles From Plant EAG and behavioral responses of copper-green chafer Anomala corpulenta Motschulsky (Coleoptera: Rutelidae) Volatiles from Pinus koraiensis at Different Stages after Infested by Dioryctria pryeri and the Relationship with Host Selection