The tea green leafhopper, Empoasca onukii Matsuda (Hemiptera: Cicadellidae, Typhlocybinae), is a serious pest of plants in East Asia. In the laboratory, genotypes CA278, Cd19, and Cd289 [Camellia sinensis (L.) O. Kuntze (Theaceae)] sustain fewer feeding damage symptoms known as hopperburn than susceptible cultivar ‘Yabukita,’ E. excretes less honeydew on them Yabukita. Here, we evaluated whethe...