Southern European marshland pyralid
from 38 plant families. They include ornamental crop plants, such as roses and gerbera, aquatic plants, vegetable crops such as celery, pepper and lettuce [...] symptoms The caterpillars often stay in the lower strata of the crop, sometimes attacking the stem of the plant as well as the leaves. Late instar larvae burrow [...] material on the ground or substrate. They feed on detritus as well as life materials. Young larvae feed on the leaves and flowers before they bore and burrow