70 Clarence E. Mickel 
1904. Philanthus psyche Viereck and Cockerell, Journ. New York 
Ent. Soc., XII, p. 143. 
1908. Philanthus psyche H. S. Smith, Univ. Nese. Stupies, VIII, p. 
355- 
Females 13: Mitchell (1), Glen (11) and Monroe Canyon (1) ; 
July 1 to August 20; visits flowers of Mentzelia sp. and Gutier- 
rezia sarothrae. 
Philanthus tarsatus H. S. Smith. 
1908. Philanthus tarsatus H. S. Smith, Univ. Nepr. Stupres, VIII, p. 
356. 
Females 4: Halsey (1) and Glen (3) ; August 17 to 20; visits 
flowers of Cleome serrulata and Solidago sp. 
Two of these specimens have been taken since the species was 
described. 
Philanthus flavifrons Cresson. 
1865. Philanthus flavifrons Cresson, Proc. Ent. Soc. Phil., V, p. 102. 
Females 14: Mitchell (12) and Indian Creek (2); July 2 to 
August 16; visits flowers of Helianthus petiolaris and Malva sp. 
Philanthus inversus Patton. 
1879. Philanthus inversus Patton, Bull. U. S. Geol. Surv., V, p. 355. 
21879. Philanthus sublimis Cresson, Trans. Amer. Ent, Soc., VII, p. 
XXX11. 
1908. Philanthus inversus H. S. Smith, Univ. Nese. Stupies, VIII, 
p. 358. 
Males 26, females 7: Lincoln (2), Mitchell (12), Glen (14), 
Monroe Canyon (1), Bad Lands (2) and Warbonnet Canyon 
(1) ; July 13 to September 2; visits flowers of Solidago sp. 
Philanthus crabroniformis F. Smith. 
1855. Philanthus crabroniformis F. Smith, Cat. Hym. Brit. Mus., IV, 
Dp. 474. 
1904. Philanthus crabroniformis Viereck and Cockerell, Journ. New 
York Ent. Soc., XII, p. 143. 
Males 11, females 2; Lincoln (1), Mitchell (1), Glen (9), 
Bad Lands (1) and Indian Creek (1); August and September; 
visits flowers of Solidago sp. 
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