On some small bees from Arizona. Cockerell, Theodore D. A. Can Ent 1898 30 9 237 239 urn:lsid:zoobank.org:act:4441D54B2F0B41F189882B133E639A40 Insecta Apidae Ceratina CoL Animalia Hymenoptera Arthropoda species arizonensis  This treatment is a stub. You can help Plazi making the full treatment available.