Brenthia pavonacella, the peacock brenthia moth, is a moth of the family Choreutidae. It is found in North America, including Illinois, Maryland, Iowa, Oklahoma and South Carolina. It has also been recorded from Mexico.
The wingspan is about 9 mm. There are at least two generations per year in Illinois. Larvae can be found from early July to early September.
Host plant: The larvae has been recorded from Desmodium sp. (Fabaceae) in Illinois.