Ceratina apacheorum Daly 1973

Ceratina (Zadontomerus) apacheorum Daly

This species, a member of the Nanula species group (Daly, 1973), inhabits not only the more arid areas of the southwestern United States (New Mexico, Arizona, Nevada, and southern California), but also ranges northward to Ormsby and Washoe counties in Nevada and northwestwardly into the Mt. Pinos region of the southern central coast mountains of California. It flies from early spring (16 February) well into the fall (27 October) and has been taken at the flowers of a wide variety of annuals and perennials including Larrea (Daly, 1974:38–39). In our sampling program, we obtained pollen-collecting females at the flowers of Larrea on 19 May, 1973 between 0900 and 0929 at 18 miles west of Tucson, Arizona (Table 9).