Genera | A B C D E F G H I J K L M N O P Q R S T U V W X Y Z |
| Xalama Bartlett & Kennedy, 2018 (Delphacidae) |
| Xanthodelphax Wagner, 1963 (Delphacidae) |
| Xenochasma Emeljanov, 2011 (Dictyopharidae) |
| Xerbus O'Brien, 1971 (Achilidae) |
| Xinchloriona Ding, 2006 (Delphacidae) |
| Xosias Kirkaldy, 1904 (Nogodinidae) |
| Xosophara Kirkaldy, 1904 (Fulgoridae) |