| Scientific name | Authorship | Rank | Status | Images | |
|---|---|---|---|---|---|
| Mythimna germanae | Laporte, 1991 | species | Accepted | ||
| Mythimna graditornalis | Berio, 1970 | species | Accepted | ||
| Mythimna gratiosa | Rungs, 1956 | species | Synonym | ||
| Mythimna griveaudi | (Viette, 1979) | species | Accepted | ||
| Mythimna hamata | (Wallengren, 1856) | species | Accepted | ||
| Mythimna hebe | Laporte, 1991 | species | Synonym | ||
| Mythimna heimi | Rungs, 1956 | species | Accepted | ||
| Mythimna herbuloti | (Viette, 1961) | species | Accepted | ||
| Mythimna hispanica | (Bellier, 1863) | species | Synonym | ||
| Mythimna homoeoptera | (Hampson, 1918) | species | Accepted | ||
| Mythimna hypocapna | (Joannis, 1932) | species | Accepted | ||
| Mythimna inangulata | (Gaede, 1935) | species | Synonym | ||
| Mythimna inframicans | (Hampson, 1893) | species | Accepted | ||
| Mythimna inframicans | sensu auct., nec Hampson, 1893 | species | Misapplied | ||
| Mythimna infrargyrea | (Saalmüller, 1891) | species | Accepted | ||
| Mythimna interciliata | (Hampson, 1902) | species | Accepted | ||
| Mythimna internata | (Möschler, 1884) | species | Accepted | ||
| Mythimna laevusta | Berio, 1955 | species | Accepted | ||
| Mythimna languida | (Walker, 1858) | species | Accepted | ||
| Mythimna larseni | Wiltshire, 1985 | species | Accepted | ||
| Mythimna leucogramma | (Hampson, 1905) | species | Accepted | ||
| Mythimna lithargyroides | (Kenrick, 1917) | species | Synonym | ||
| Mythimna longivittata | (Berio, 1940) | species | Accepted | ||
| Mythimna lunulata | (Gaede, 1916) | species | Accepted | ||
| Mythimna madensis | Berio, 1956 | species | Accepted |