| Mehlspanner | Nominativ, Singular | nominative case, singular | |
| Mehlspanner(e)s | Genitiv, Singular | genitive case, singular | |
| Mehlspanner(e) | Dativ, Singular | dative case, singular | |
| Mehlspanner | Akkusativ, Singular | accusative case, singular | |
| Mehlspannere | Nominativ, Plural | nominative case, plural | |
| Mehlspannere | Genitiv, Plural | genitive case, plural | |
| Mehlspanneren | Dativ, Plural | dative case, plural | |
| Mehlspannere | Akkusativ, Plural | accusative case, plural |