Eunomarcha is a genus of moths in the family Gelechiidae. It contains the species Eunomarcha violacea, which is found in Brazil (Amazonas) and Panama.[1]
The wingspan is about 14 mm. The forewings are black, overlaid with metallic, light blue scales and with a strong purplish sheen, especially toward the apex, which, as well as the cilia, in certain light appear like burnished copper. The hindwings are dark fuscous.[2]