Abstract
Six new species and one new subspecies of Noctuidae are described from western United States of America and Baja California, Mexico: Dolocuculliapoolei Crabo & Hammond, sp. n. (Cuculliinae), Plagiomimicusyakama Crabo & Wikle, sp. n., Plagiomimicusyakamamojave Wikle & Crabo, ssp. n., Plagiomimicusincomitatus Mustelin, sp. n. (Amphipyrinae), Sympistisferrirena Crabo, sp. n. (Oncocnemidinae), Aseptisharpi Crabo & Mustelin, sp. n., and Hypotrixlactomellis Wikle & Crabo, sp. n. (Noctuinae). The adults and genitalia of these species are described, illustrated, and compared to similar related moths. The larvae of the Plagiomimicustepperi species group, unknown previously, are reported to feed on several species of Brickellia Ell. (Asteraceae). The early stages of Plagiomimicusyakamamojave are described and late instars are illustrated.