VOLUME 55, NUMBER 1 
55 
Clypeus bulbous, surface shagreen (Fig. 8), vertex with appressed 
pubescence. bullifacies (Michener) 
4. Clypeus with depressed subapical pit row, pits oblong; supra anten¬ 
nal area flat. torchioi Parker 
Clypeus with few large scattered, evenly formed pits; supra clypeal 
area swollen. mojavensis (Michener) 
Proteriades ( Pentericides ) remotula (Cockerell) 
A female of this species was collected 23 mi SW Lordsburg, New Mexico 
on Cryptantha. This species was known previously only from California. 
Proteriades ( Proteriades) deserticola Timberlake and Michener 
The range of this species has been extended from California to the fol¬ 
lowing localities in Arizona: 15 mi E Topock; Lake Havasu City, 10 mi S 
Lake Havasu City; 11 mi N Quartzsite, and 5 mi E Parker. 
Proteriades ( Proteriades ) pygmaea Timberlake and Michener 
This species was previously known only from California, but it has been 
collected at the following locations in Arizona: Oatman (Mojave Co.), 10 mi 
S Oatman, Lake Havasu City, and 15 mi E Topock. 
Proteriades (. Xerosmia) xerophila (Cockerell) 
The distribution of this black desert species now includes Arizona since 
I recovered several nests of P. xerophila from trap stems placed at 10 mi 
S Oatman. 
Proteriades ( Hoplitina ) mojavensis (Michener) 
The distribution of this species is extended from California to eastern 
Nevada, as I have reared P. mojavensis from trap stems placed at 7 mi NE 
Ash Springs, Nye Co., Nevada. 
Acknowledgments 
Thanks are due to C. D. Michener for examining the new species prior 
to publication. The author is indebted to G. E. Bohart (Utah State Univer¬ 
sity) and W. J. Hanson (Utah State University) for their manuscript reviews. 
J. Brogdon prepared the illustrations. Ms. C. Hatley identified the pollen. 
Literature Cited 
Hurd, P., and C. Michener. 1955. The megachilid bees of California. Bull. Calif. Insect Surv. 
3. 248 pp. 
