Epinotia hopkinsana cupressi Heinrich is elevated to species status, and E. hopkinsana (Kearfott) and E. cupressi are differentiated based on morphological and host plant differences. Two new species of Epinotia Hübner, [1825] are described and illustrated: E. ephemerana, new species, from Plumas and Riverside counties, California, U.S.A.; and E. wrighti, new species, from Arizona, California, Colorado, Nevada, Oregon, South Dakota, Utah,Washington, andWyoming, U.S.A., British Columbia, Canada, and Durango, Mexico. The two new species and new status bring the total number of described species in the genus to 187.