"Megatympanon speculatum": A–C Male (MNRJ) from Petrópolis, in the state of Rio de Janeiro, (A) lateral view, (B) dorsal view, (C) frontal view. D–F Female (MNRJ) from Itaguaí, in the state of Rio de janeiro, (D) lateral view, (E) dorsal view, (F) frontal view. Scale bars for dorsal and lateral views (horizontal bar) and frontal views (vertical bar) = 0.5 mm.