Sphallopterus Fragoso, 1982 Sphallotrichus Fragoso, 1982 Spiniderolus Lepesme & Breuning, 1958 Spinidymasius Miroshnikov, 2017 Striatoptycholaemus Lepesme & Breuning, 1956 Sudreana Adlbauer, 2006 Tapinolachnus Thomson, 1864 Taurotagus Lacordaire, 1869 Teraschema Thomson, 1860 Trachylophus Gahan, 1888 Trirachys Hope, 1841 Utopia (insect) J. Thomson, 1864 Xenopachys Sama, 1999 Xestiodion Fragoso, 1981 Xoanodera Pascoe, 1857 Xoanotrephus Hüdepohl, 1989 Zatrephus Pascoe, 1857 Zegriades Pascoe, 1869 References External links Polyphaga tribes