| Xystus gracilirostris (Champion, 1907) |
| Xystus impressipennis (Champion, 1907) |
| Xystus mexicanus (Boheman, 1844) |
| Xystus obliquus (Champion, 1907) |
| Xystus pallidipennis (Champion, 1907) |
| Xystus pilipectus (Champion, 1907) |
| Xystus pilipes (Champion, 1907) |
| Xystus rufipennis (Champion, 1907) |
| Xystus sanguinicollis (Germar, 1824) |
| Zascelis LeConte, 1876 |
| Zascelis affaber (Boheman, 1844) |
| Zascelis carinipes Champion, 1905 |
| Zascelis consputa (Boheman, 1837) |
| Zascelis glabrata Champion, 1905 |
| Zascelis irrorata LeConte, 1876 |
| Zascelis serripes LeConte, 1876 |
| Zascelis squamigera LeConte, 1876 |
| Zascelis striolata (Fiedler, 1935) |
| Zascelis sulcifrons Champion, 1905 |
| Zygobarella Casey, 1920 |