Effects of Supplementary Nutrition on Parasitism Ability and Developmental Process of a Gregarious Parasitoid, Sclerodermus pupariae (Hymenoptera: Bethylidae) Study of Manual Control in vitro Parasitism Key Technology of Cistanche deserticola Effect of Orobanche cumana Parasitization on Growth and Antioxidant Enzymes Activity of Different Helianthus annuus Varieties in Seedling Stage[JZ)] PARASITISM OF PROCECIDOCHARES UTILIS AND ITS EFFECT ON GROWTH AND REPRODUCTION OF EUPATORIUM ADENOPHORUM Investigation of populations of parasitic wasps parasitizing Carposina sasakii Matsumura (Lepidoptera: Carposinidae) in jujube orchards in China, with respect to the wasp-host relationship The parasitism performance of parasitic wasp Trichogramma pintoi Voegele on the oriental fruit moth, Grapholita molesta (Busck) Ecological Damage Assessment of Loranthus tanakae (Loranthaceae) in the South Slopes of Qinling Mountain