Supplementary material from "Eversion and withdrawal of an intromittent organ before sexual maturation prepares male beetles for copulation" MatsumuraYoko KuboTakuya 2017 Table S1: Raw data from chronological changes of the flagellum in Lema coronata. Emergence means the time we found the eclosed adults; Table S2. Raw data of vasa deferentia + testes weight (mg) and body size (elytral lengths); Table S3. Raw data of quantification of the eversion and withdrawal of the internal sac in Lema coronata (3-day-old), observed periods. Unit: min; Table S4. Raw data of quantification of the eversion and withdrawal of the internal sac in Lema coronata (3-day-old), the periods in which we the behavior was observed. Unit: sec. Individuals in each cell were not distinguishable; Table S5. Raw data of quantification of the eversion and withdrawal of the internal sac in Lema coronata (4-day-old), observed period. Unit: min.