TL;DR: Eighteen new species of Tachinidae are described from Japan and the Indo-Australian Region: Trixella nox from Nepal; Actinochaetopteryx setifacies from Sulawesi, A.proclinata from Efate, and A. argenti/era from New Guinea.
Abstract: Eighteen new species of Tachinidae are described from Japan and the Indo-Australian Region: Trixella nox from Nepal; Actinochaetopteryx setifacies from Sulawesi, A.proclinata from Efate, and A. argenti/era from New Guinea; Phyllomya formosana from Taiwan, P.humilis and P.japonica from Japan; Leptothelaira latistriata from Nepal; Feriola angustifrons from Taiwan; Campylocheta magnicauda from Taiwan; Elfriedella fiavipilosa from Nepal; Takanomyia frontalis, T. basalis, T. rava, T. antennalis and T. takagii from Nepal; Frontina femorata and F. tricolor from Japan. Keys to the known species of Leptothelaira, Feriola, Elfriedella and Takanomyia and to the Japanese species of Phyllomya and Frontina are provided.