| Scientific name | Authorship | Rank | Status | Images | |
|---|---|---|---|---|---|
| Mythimna rubrescens | (Hampson, 1905) | species | Accepted | ||
| Mythimna rufulosa | Wiltshire, 1986 | species | Accepted | ||
| Mythimna sarca | (Hampson, 1902) | species | Accepted | ||
| Mythimna semicorax | Krüger, 2005 | species | Accepted | ||
| Mythimna sokotrensis | Hreblay, 1996 | species | Accepted | ||
| Mythimna substituta | (Wallengren, 1875) | species | Accepted | ||
| Mythimna sufficiens | (Prout A. E., 1921) | species | Synonym | ||
| Mythimna tacuna | (Felder & Rogenhofer, 1874) | species | Accepted | ||
| Mythimna thomasi | (Laporte, 1991) | species | Synonym | ||
| Mythimna tiburtina | (Turati, 1909) | species | Synonym | ||
| Mythimna tincta | (Walker, 1858) | species | Accepted | ||
| Mythimna toumodi | Laporte, 1978 | species | Synonym | ||
| Mythimna tseki | (Koutsaftikis, 1974) | species | Synonym | ||
| Mythimna umbrigera | (Saalmüller, 1891) | species | Accepted | ||
| Mythimna uncinatus | (Gaede, 1916) | species | Synonym | ||
| Mythimna unipuncta | (Haworth, 1809) | species | Accepted | ||
| Mythimna usta | (Gaede, 1935) | species | Misapplied | ||
| Mythimna usta | (Hampson, 1902) | species | Accepted | ||
| Mythimna ustata | (Hampson, 1907) | species | Accepted | ||
| Mythimna viettei | Rungs, 1956 | species | Accepted | ||
| Mythimna vilis | (Gaede, 1916) | species | Accepted | ||
| Mythimna vuattouxi | Laporte, 1973 | species | Accepted | ||
| Mythimna zachi | (Poole, 1989) | species | Misapplied | ||
| Mythimna zachii | (Bohatsch, 1880) | species | Synonym | ||
| Naarda cliterica | Hacker, Fiebig & Stadie, 2021 | species | Accepted |