Map of the collecting localities of the new species described in this paper from northeast Thailand. Filled circle: Metaphire songkhramensis sp. nov. from Kong Ngong, Akat Amnuai, Sakon Nakhon, Thailand. Filled triangular: Amynthas sakonnakhonensis sp. nov. from Nong Tuet, Samakkee Pattana, Akat Amnuai, Sakon Nakhon, Thailand. Filled square: Amynthas auriculus sp. nov. from Wut Tham Kham, Phannanikom, Sakon Nakhon. Filled star: Amynthas bantanensis sp. nov. from Ban Tan, Nawah, Nakorn Phanom, Thailand.