Schmidt & McGuinness in Pohl & Nanz 2023 reinstated M. ulsterata as a valid species for North American populations formerly called M. notata, due to DNA barcode divergence. M. notata is a Eurasian species.

Pohl & Nanz 2023: https://wedgefoundation.org/MONA2.asp

MPG: https://mothphotographersgroup.msstate.edu/species.php?phylo=910749