TL;DR: Some species of the noctuid moths from the southwestern United States and adjacent areas of northern Mexico, have large patches of brilliant iridescent gold or gold-green on their forewings, as well as those in a similar genus.
Abstract: Species of the noctuid moths in the genus Neumogenia , subfamily Amphipyrinae (tribe Amphipyrini), from the southwestern United States and adjacent areas of northern Mexico, have large patches of brilliant iridescent gold or gold-green on their forewings. Some species of these "gold" moths, as well as those in a similar genus. Chalcopasta (tribe Stiriini), are discussed and illustrated.