Main characters from internal morphology. Achradocera barbata: A Hypopygium, left lateral view. B internal structures of the epandrium, left lateral view. C postgonite, ventral view. Achradocera tuberculata: D Hypopygium, left lateral view. E internal structures of the epandrium, left lateral view. F postgonite, ventral view. Abbreviation list: cer, cercus; ej apd, ejaculatory apodeme; epd, epandrium; lep, lateral epandrial lobe; pgt, postgonite; ph, phallus; sur, surstylus.