| Scientific name | Authorship | Rank | Status | Images | |
|---|---|---|---|---|---|
| Ximacodes affinis | (Mabille, 1890) | species | Accepted | ||
| Ximacodes malagasy | Viette, 1980 | species | Accepted | ||
| Ximacodes pyrosoma | (Butler, 1882) | species | Accepted | ||
| Ximacodes subrufa | (Hering, 1957) | species | Accepted | ||
| Xylia sophrosyne | Leraut G., 2019 | species | Accepted | ||
| Xylophanes thyelia | (Linnaeus, 1758) | species | Accepted | ||
| Xylopteryx cowani | Viette, 1972 | species | Accepted | ||
| Xylopteryx doto | Prout L. B., 1925 | species | Accepted | ||
| Xylopteryx doto doto | Prout L. B., 1925 | subspecies | Accepted | ||
| Xylostola punctum | Berio, 1956 | species | Accepted | ||
| Xyroptila irina | Kovtunovich & Ustjuzhanin, 2006 | species | Accepted | ||
| Xyrosaris secreta | Meyrick, 1912 | species | Accepted | ||
| Yponomeuta fumigatus | Zeller, 1852 | species | Accepted | ||
| Yponomeuta gnophera | Agassiz, 2019 | species | Accepted | ||
| Yponomeuta madagascariensis | Gershenson, 2003 | species | Accepted | ||
| Yponomeuta malagasella | Agassiz, 2019 | species | Accepted | ||
| Yponomeuta strigillatus | Zeller, 1852 | species | Accepted | ||
| Yponomeuta subplumbellus | Walsingham, 1881 | species | Accepted | ||
| Yunusemreia triangulum | (Diakonoff, 1970) | species | Accepted | ||
| Yxygodes bekilalis | (Marion, 1954) | species | Accepted | ||
| Yxygodes insignis | (Mabille, 1900) | species | Accepted | ||
| Yxygodes mademalis | (Viette, 1978) | species | Accepted | ||
| Yxygodes meranalis | (Viette, 1960) | species | Accepted | ||
| Yxygodes olapalis | (Viette, 1978) | species | Accepted | ||
| Yxygodes seyrigalis | (Marion, 1954) | species | Accepted |