Three new species of the subfamily Opisthocosmiinae from China (Dermaptera, Forficulidae), with new synonymies and combinations Author Sun, Meiling Author Li, Kai Author Liu, Xianwei text Zootaxa 2016 4109 3 359 371 journal article 39121 10.11646/zootaxa.4109.3.6 b850186c-256a-4292-b943-e58d2c578c62 1175-5326 266075 2C54621D-7DEC-4492-A41C-96036D85F566 Key to species of genus Cordax Burr, 1910 from China (males only) 1 Forceps nearly touching at base.......................................................................... 2 - Forceps widely separated at base........................................................................ 3 2 Forceps short and thick, inner tooth in apical half...................................... C. armatus ( De Haan, 1842 ) - Forceps long and thin, inner tooth in basal half........................................... C. claviger ( Burr, 1917 ) 3 Body blackish brown; forceps straight, inner margin not serrated in basal half.............. C . unidentatus ( Borelli, 1915 ) - Body pale brown; forceps incurved, inner margin serrated in basal half........................... C . serratus sp. nov.