Abstract

Two new species of the genus Sphictostethus Kohl, 1884 are described and illustrated from New Guinea (Indonesia: West Papua). Both species, S. papua Loktionov Lelej, sp. nov. and S. arfak Loktionov Lelej, sp. nov. differ from congeners by their peculiar head and clypeus shape, the presence of tubercles on the mesopleuron and propodeum, and the well-developed metasomal petiole. The genus Sphictostethus is newly recorded from New Guinea as a new northernmost border for their distribution within the Australian Region. An addition to the key of Australian species is given.

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