Effects of Inula britannica Extracts on Biological Activities against Tetranychus cinnabarinus and Several Enzyme Systems in T.cinnabarinus A Preliminary Study on Activity Mechanism and Identification of Extract of Pharbitis purpurea Seeds against Tetranychus cinnabarinus Simulation of developmental rate and temperature trend, and assessement of resistance risk to pyridaben of Tetranychus truncatus Ehara Effect of temperature on development and fecundity of pyridaben resistant and susceptible populations of Tetranychus truncates Ehara (Acari: Tetranychidae) Systematically induced effects of Tetranychus cinnabarinus infestation on chemical defense in Zea mays inbred lines. THE EFFECTS OF TEMPERATURE ON THE DEVELOPMENT AND REPRODUCTION OF TETRANYCHUS TRUNCATUS Testing two methods to detect voltage-gated sodium channels gene mutations in Tetranychus urticae