Taxonomy of the subgenus Duolandrevus ( Eulandrevus ) Gorochov (Orthoptera: Gryllidae: Landrevinae: Landrevini) from China, with descriptions of three new species

Three new species of the subgenus Duolandrevus ( Eulandrevus ) Gorochov from China are described and illustrated, D. ( E. ) ziyunensis sp. nov., D. ( E. ) gorochovi sp. nov. and D. ( E. ) axinus sp. nov. The description of previously unknown female of D. ( E. ) hainanensis Liu, He & Ma, 2015 is given. D. ( E .) infuscatus Liu & Bi, 2010, stat. nov. is transferred from the subgenus Duolandrevus ( Duolandrevus ) Kirby, 1906 to Duolandrevus ( Eulandrevus ). A key of the Chinese species and a distribution map of the subgenus Duolandrevus ( Eulandrevus ) in the world are provided.