The adults of the following species of African Psychodidae are described:Sycorax kalengoensisn. sp. (♂+♀),Rhadinoscopus triangulatusn. sp. (♂),Psychoda trifidan. sp. (♂),Psychoda boettgerin. sp. (♂), andPhilosepedon africanusn. sp. (♂).Telmatoscopus (Arisemus) fuscusTonnoir is transferred to the genusNeorisemusBotosaneanu et Vaillant.Pericoma drepanopenisDuckhouse andPericoma stuckenbergiDuckhouse are transferred to genusTonnoiriellaVaillant. Males ofT. drepanopenisshow an asymmetric aedeagus, whose distal part may be turned either to the left or to the right side.