| Vesperoctenus flohri Bates, 1891 |
| Xalitla Lane, 1959 |
| Xalitla azteca Lane, 1959 |
| Xalitla genuina Martins, 1970 |
| Xalitla limoni Santos-Silva & Skillman, 2020 |
| Xalitla punctatissima Martins, 1970 |
| Xenambyx Bates, 1879 |
| Xenambyx lansbergei (Thomson, 1865) |
| Xenofrea Bates, 1885 |
| Xenofrea guttata Galileo & Martins, 2006 |
| Xenofreini Aurivillius, 1923 |
| Xeranoplium Linsley, 1957 |
| Xeranoplium bicolor Chemsak & Linsley, 1963 |
| Xeranoplium flavofemoratum Chemsak & Linsley, 1963 |
| Xeranoplium peninsulare Chemsak & Linsley, 1963 |
| Xeranoplium pubescens Chemsak & Linsley, 1986 |
| Xeranoplium puncticolle Chemsak & Linsley, 1963 |
| Xeranoplium ruficolle Chemsak & Linsley, 1963 |
| Xeranoplium tricallosum (Knull, 1938) |
| Xylotrechus Chevrolat, 1860 |