A STUDY ON EFFECTIVE ACCUMULATED TEMPERATURE AND THRESHOLD TEMPERATURE FOR DEVELOPMENT CHOUIOIA CUNEA Yang (HYMENOPTERA:EULOPHIDAE) Study on the Ratio of Hosts and Wasps When Mass Rearing of Chouioia cunea Yang Study on the Spatial Pattern of Eggs and Larva-web of Fall Webworm A NEW SPECIES IN THE GENUS APROSTOCETUS (HYMENOPTERA: EULOPHIDAE) PARASTIZING PUPA OF FALL WEBWORM FROM YANTAI, SHANDONG PROVINCE, CHINA Studies on Utilizing Parasitoid Chouioia cunea Yang (Hymenoptera: Eulophidae) for Sustainable Control of Fall Webworm TWO NEW SPECIES OF HOWARDI SPECIES GROUP IN THE GENUS TETRASTICHUS (HYMENOPTERA:EULOPHIDAE) PARASITIZING FALL WEBWORM FROM CHINA