| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| Xylocopa violacea (Linnaeus 1758) | 0 | 0 | 1 |
| Xylogramma | 1 | 0 | 0 |
| Xylogramma bulgaricum Petr. 1929 | 0 | 0 | 1 |
| Xylographa (木刻衣屬) | 1 | 0 | 0 |
| Xylographa parallela | 0 | 0 | 1 |
| Xylomeira | 1 | 0 | 0 |
| Xylomeira tridens (Fabricius 1792) | 0 | 0 | 1 |
| Xylota (木蚜蝇属) | 1 | 0 | 0 |
| Xylota abiens Meigen 1822 | 0 | 0 | 0 |
| Xylotrechus (脊虎天牛屬) | 1 | 0 | 0 |
| Xylotrechus (Rusticoclytus) rusticus (Linné 1758) | 0 | 0 | 1 |
| Xysticus (花蟹蛛屬) | 2 | 0 | 0 |
| Xysticus kochi Thorell 1872 | 0 | 0 | 1 |
| Xysticus ninnii | 0 | 0 | 1 |
| Yoldia Møller 1842 | 1 | 0 | 0 |
