Agonopterix atrodorsella

Agonopterix atrodorsella is a species of moth in the family Depressariidae. It was first described by James Brackenridge Clemens in 1863. It is found in North America, where it has been recorded from Illinois, Indiana, Kentucky, Maine, Maryland, Massachusetts, Michigan, New Brunswick, New Hampshire, New York, North Carolina, Ohio, Ontario, Quebec and Wisconsin.

Description
The wingspan is 18–23 mm. The forewings are yellow ochreous with several black costal dots from the base to the tip of the wing. There is a black dot on the basal portion of the disc with a rufous patch beyond this. The hindwings are yellowish. Adults have been recorded in all months of the year depending on the collection locality. There is however only one generation per year.

Behaviour and ecology
The larvae feed on Eupatorium and Coreopsis species, as well as Bidens frondosa and Myrica asplenifolia. The species overwinters as an adult.