Two new species of Hylaeargia Lieftinck from New Guinea (Zygoptera: Platycnemididae)

Two species, Hylaeargia vanmastrigtisp. n. (holotype male from Star Mountains, PapuaProvince, Indonesian New Guinea) and H. lisae sp. n. (holotype male from Hindenburg Range, Papua New Guinea), are described as new. An illustrated key to the known species of Hylaeargia Lieftinck is presented