The diverse microstructures on the endophallus surface in Moechotypa diphysis A surface of the endophallus showing the areas of apical and basal phallomere without spines, and the area of median phallomere with spines B, C apical phallomere covered with two different types of leaf-like microstructures D middle part of the median phallomere covered with short spines E upper part of the median phallomere covered with elongated spines F lower part of the median phallomere covered with broad spines G region of broad spines on the median phallomere surrounded by sensilla basiconica. Abbreviations: APH, apical phallomere; BPH, basal phallomere; bs, brosd spines; es, elongsted spines; f, flagellum; MPH, median phallomere; ss, short spines.