Southern European marshland pyralid
wide range of hosts from 38 plant families. They include ornamental crop plants, such as roses and gerbera, aquatic plants, vegetable crops such as celery [...] sometimes attacking the stem of the plant as well as the leaves. Late instar larvae burrow into soft woody or herbaceous plant stems causing withering or drying [...] into the stem can facilitate infection by the fungus Botrytis cinerea. In gerbera, the flower buds may also be eaten. It has even been known for the caterpillars