YIN Yong-sheng1; CHANG Jin-yu1; JI Shuan-gui1; ZHAO Huai-zhu2; WU Yu-cheng3. A COMPARATIYE STUDY ON THE CONTROL EFFECTS OF AN INTRODUCED PARASITE, TRICHOGR4MMA MAIDIS [HYM. : TRICHOGRAMMATIDAE] VS. INDIGENOUS TRICHOGRAMMA SPECIES AGAINST BRASSICA PESTS[J]. , DOI: .