Data used in generating Figures 3 and 4 in the manuscript (see Excel spreadsheet tab labels). Figure 3 data represent the number of adult Epicephala lanceolaria moths found in individual Glochidion lanceolarium fruit at three sites in Guangdong Province, China. Figure 4 data represent the number of Epicephala lanceolaria pupae with and without cocoons found when dissecting Glochidion lanceolarium fruit at two sites in Guangdong Province, China