Venation of Poreuomenini. Arrows point at Rs branching of from the radius 1. Rs branching off after the middle in Cestromoecha tenuipes. 2. Rs branching off basally, for example, in Poreuomena africana. 3–5. Mirror area of Cestromoecha tenuipes lacking the flaps on both tegmina bases, but with a well-developed mirror on the right tegmen (arrows). 5. Mirror area of Cestromoecha tenuipes from the underside with a well-developed stridulatory file, typical for all Poreuomenini.