Are Hellebore and Aethionema from the same flowering plant families?
Aethionema Aethionema syn. "Eunomia" is a genus of flowering plants, within the family Brassicaceae, subfamily Brassicoideae. The genus is collectively known as the stonecresses. They originate from sunny limestone mountainsides in Europe and West Asia, especially Turkey.
Hellinsia beneficus Hellinsia beneficus is a moth of the Pterophoridae family. It is native to Mexico, but was introduced to Hawaii in 1959 and 1965 (unsuccessful) and 1973 (successful) for the biological control of mistflower.