Study on “the Three Reds and Three Blacks” Phenomenon of White Wax Scales in the Production of Its Brood Insects Investigation of populations of parasitic wasps parasitizing Carposina sasakii Matsumura (Lepidoptera: Carposinidae) in jujube orchards in China, with respect to the wasp-host relationship Parasitic Rate and Control Effeet of Anastatus albitarsis on Dendrolimus punctatus Contact toxicities of various pesticides commonly applied in the paddy field to Cotesia chilonis female adults from four different locations Three Species of Genus Pteromalus (Hymenoptera: Pteromalidae) Parasitizing Rhynchaenus empopulifolis (Coleoptera: Curculionidae),with Description of a New Species from China A PRELIMINARY STUDY ON THE PARASITIC WASPS OF DRYOCOSMUM KURlPHILUS Y. EGG PARASITIC WASPS OF LARCH CATERPILLAR IN DAXINGANLING MTS. WITH DESCRIPTION OF A NEW SPECIES