Sanya Institute of Nanjing Agricultural University 1 article published in JoVE Biochemistry Extracting Venom from the Parasitoid Wasp Trichogramma dendrolimi Using an Artificial Host Hai-yan Wang*1,2, Ze-qi Yu*1,2, Xin-yue Ren1,2, Yuan-xi Li1,2, Zhi-chao Yan1,2,3 1Department of Entomology, Nanjing Agricultural University, 2Key Laboratory of Integrated Pest Management of Crop of East China, Ministry of Agriculture, 3Sanya Institute of Nanjing Agricultural University Here, we present a protocol for extracting venom from Trichogramma dendrolimi using an artificial host created with polyethylene film and amino acid solution.