Erotylidae Latreille, 1802
Triplax aenea (Schaller, 1783)
Triplax alachuae Boyle, 1956
Triplax andreinii Pic, 1930
Triplax atroguttata (Araki, 1943)
Triplax bicolorata (Chujo, 1941)
Triplax californica LeConte, 1854
Triplax carpathica Reitter, 1890
Triplax collaris (Schaller, 1783)
Triplax cuneata Boyle, 1954
Triplax cyanescens Bedel, 1868
Triplax dissimulator (Crotch, 1873)
Triplax elongata Lacordaire, 1842
Triplax emgei Reitter, 1885
Triplax errans Boyle, 1956
Triplax festiva Lacordaire, 1842
Triplax flavicollis Lacordaire, 1842
Triplax frontalis Horn, 1862
Triplax frosti Casey, 1924
Triplax horni (Chujo, 1941)
Triplax hurusyoi (Chujo, 1941)
Triplax lacensis Boyle, 1954
Triplax lacordairii Crotch, 1870
Triplax lepida (Faldermann, 1837)
Triplax macra LeConte, 1854
Triplax marcescens Boyle, 1954
Triplax marseuli Bedel, 1864
Triplax melanocephala (Latreille, 1804)
Triplax mesosternalis Schaeffer, 1905
Triplax microgaster Boyle, 1954
Triplax puncticeps Casey, 1916
Triplax pygmaea Kraatz, 1872
Triplax quadrinotata (Araki, 1943)
Triplax rudis Reitter, 1887
Triplax rufipes (Fabricius, 1787)
Triplax russica (L., 1758)
Triplax scutellaris Charpentier, 1825
Triplax takabayashii Nakane, 1966
Triplax tergestana Reitter, 1881
Triplax thompsoni Boyle, 1962
Triplax thoracica Say, 1825
Triplax trimaculata (Chujo, 1941)
Triplax wehrlei Boyle, 1954
