A New Artificial Rearing Method for Apocheima cinerarius A Studies on the Technology of Propagation of the Nuclear Polyhedrosis Virus of the Poplar Looper,Apocheima cineraius Relationship between Respiratory Metabolism and Diapause of Pupae of Apocheima cinerarius STUDIES ON THE NUCLEAR POLYHEDROSIS VIRUS OF THE POPLAR LOOPER APOCHEIMA CINERARIUS Ⅵ. STORAGE EFFECT TEST ON THE VIRULENCE OF ACINPV STUDIES ON THE NUCLEAR POLYHEDROSIS VIRUS OF THE POPLAR LOOPER (APOCHEIMA CINERARIUS) V.PREPARATION AND PRODUCT DETECTION OF ACINPV FORMULATION STUDIES ON BIOCHEMICAL AND BIOPHYSICAL CHARACTERISTICS OF A NUCLEAR POLYHEDROSIS VIRUS OF APOCHEIMA CINERARIUS AND THE USE IN THE RESEARCH OF VIRAL INSECTICIDES Studies on Nuclear Polyhedrosis virus of the Poplar Looper(Apocheima cinerarius) Ⅶ. Test Efficency Evaluation of Aci NPV lnsecticide in Field