148 
Psyche 
[December 
11. Pubescence at tip of abdomen rather dark ferruginous 
or fuscous apicalis var. opuntiae Cockerell 
Pubescence at tip of abdomen light ferruginous 
apicalis Cresson 
Lithurgus apicalis Cresson 
Lithurgus apicalis Cresson, Wheeler’s Rep. Geogr. Expl. W. 
100th Merid., p. 724, 1876. Cresson, Proc. Dav. Ac. 1, 
p. 209, 1876. Cockerell, Bull. Univ. N. Mex. 1, p. 64, 
1898. Cockerell, Am. Nat. 34, p. 488, 1900. Cockerell, 
Ann. Mag. Nat. Hist. (7) 14, p. 24, 1904. Cockerell, 
Ann. Mag. Nat. Hist. (7) 17, p. 306, 1926. Cockerell, 
Am. Mus. Nov. 697, p. 13, 1934. 
Lithurgopsis apicalis Fox, Ent. News 13, p. 139, 1902. 
This species may be quickly recognized among the Nearctic 
species, by the conspicuous bright ferruginous pubescence 
at the tip of the abdomen. 
Arizona : 1 $ , no locality record. Recorded from Santa 
Rita Mts. (July) and Temez Mts. 
California: 1$, Laguna, San Diego County, June 21, 
1926 (W. S. Wright). 1 9, Mammoth, July 8 (or Aug. 7?), 
1933. 
Colorado : 4 $ , 3 9 , no locality record. 1 $ , Boulder, 
June 13, 1933 (M. T. James). 1$, Buena Vista, July 6, 
1937, (L. Lanham) . 1 9 , Las Animas, June 21, 1931. 1 $ , 
Paonia, Delta County, June 14, 1926 (E. C. Van Dyke.) 
1 $ , Trinidad, June 13, 1899. 1 $ , 1 $ , White Rocks, 
Valmont, July 2 and 4, 1933 and May 30, 1934 (M. & H. 
James) . Recorded also from Chimney Gulch, Fort Garland, 
Glenwood Springs, Mesa Verde, Ridgeway and Ute Creek. 
Nevada: 1$, Mt. Charleston, 7500 ft., Aug. 13, 1931, 
(E. E. Tinkham). 
New Mexico: 2 $ , Alamogordo, May 5 and June 9, 1902. 
1 $ , Highrolls, June 2, 1902. 1 $ , E. Las Vegas, June 24, 
1902. 5 <2 , 7 9, San Antonio, June 1921. 19, San Jose, 
Apr. 13, 1934, (M. & H. James). 1$, Santa Fe, July 24, 
1926 (E. C. Van Dyke). 
Texas : 1 $ , no locality record. 
