The Tetrastichus brontispae Ferrière and Asecodes hispinarum were introduced to Hainan from Pingtung University of Science and Technology in Taiwan and Ho Chi Minh University of Agriculture and Forestry in Vietnam in 2004, and established  parasitic wasp breeding factory and field release technology was developed. Previously, this technology has effectively solved the outbreak of Coconut Leaf Beetle disaster in 2002 in China, and has been demonstrated and promoted in tropical areas of China.