Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Cosmopterix nitens is a moth of the Cosmopterigidae family. It is known from the United States, where it is found from coastal South Carolina to south-western Texas. It is also established in Michigan.Male, female. Forewing length 3.8-4.5 mm. Head: frons shining ochreous-white, vertex, neck tufts and collar shining pale bronze brown with greenish gloss; labial palpus, first segment very short, white, second segment three-quarters of the length of third, grey with white longitudinal lines laterally and ventrally, third segment white, lined dark greyish brown laterally