Genus Baeocera Erichson, 1845

Remarks: Thirty-nine species of Baeocera are distributed in North America (Newton et al., 2001), one of them ( B. discolor Casey, 1900) remains doubtful. Among these species, the following 12 have been described or reported from Arizona (Löbl & Stephan, 1993): B. cerbera (Cornell, 1967), B. congener Casey, 1893, B. elongata Löbl & Stephan, 1993, B. eurydice (Cornell, 1967), B. flagellata (Löbl, 1976), B. hesperia Löbl & Stephan, 1993, B. humeralis Fall, 1910, B. impunctata Löbl & Stephan, 1993, B. lenczyi Löbl & Stephan, 1993, B. solida Löbl & Stephan, 1993, B. sticta Löbl & Stephan, 1993 and B. valida (Löbl, 1976) . The newly examined collection comprises ten species, with B. hamata Löbl & Stephan, 1993 and B. nana Casey, 1893 recorded here for the first time from Arizona, and three species described below as new to science.