About Catocala luctuosa Hulst, 1884
Catocala retecta, commonly called the yellow-gray underwing, is a moth species belonging to the family Erebidae. This species was first formally described by Augustus Radcliffe Grote in 1872. It is distributed across North America, ranging from southern Ontario and Quebec south through Maine and New Jersey, continuing south through Tennessee to Georgia, extending west to Arkansas and Kansas, and reaching north to Wisconsin. One subspecies, Catocala retecta luctuosa, is currently recognized; this taxon is sometimes treated as a separate valid species under the common name yellow-fringed underwing, with the scientific name Catocala luctuosa Hulst, 1884. The wingspan of this moth measures 60 to 75 mm. Adults fly from July to October, with the flight period varying by location. The larvae of Catocala retecta feed on species in the Juglans and Carya genera.