58 Clarence E. Mickel 
Males 8, females 9: Child’s Point (1), Omaha (7), Ashland 
(1), Lincoln (2), York (1), West Point (1), Glen (1) and War- 
bonnet Canyon (3); May 9 to September 23; visits flowers of 
Aster multiflorus. 
Solenius (subgenus?) banksi (Rohwer). 
1909. Crabro banksi Rohwer, Ent. News, XX, p. 147. 
Males 1, females 4: Omaha (4) and Hardy (1); July 16 to 
September ; visits flowers of Solidago sp. 
Solenius (Pseudocrabro) chrysargynus (LePeletier). 
1834. Crabro chrysargynus LePeletier, Ann. Soc. Ent. France, III, 
Dey Alte 
1895. Crabro chrysarginus Fox, Trans. Amer. Ent. Soc., XXII, p. 
155. 
1908. Crabro bigeminus H. S. Smith, Unity. Nepr. Stupies, VIII, p. 
403. 
Males 1, females 3: Monroe Canyon (1) and Warbonnet 
Canyon (3); July 20 to August 7; visits flowers of Melilotus sp., 
Petalostemum sp. and Malvastrum sp. 
Solenius (Pseudocrabro) odyneroides (Cresson). 
1865. Crabro odyneroides Cresson, Proc. Ent. Soc. Phil., IV, p. 481. 
1895. Crabro odyneroides Fox, Trans. Amer. Ent. Soc., XXII, p. 153. 
Females 3: Glen (2) and Monroe Canyon (1) ; August 13 to 
20; visits flowers of Cleome serrulata. 
Solenius (Hypocrabro) decemmaculatus (Say). 
1823. Crabro decemmaculatus Say, West. Quart. Rep. Cincinnati, II, 
Dees 
1895. Crabro decemmaculatus Fox, Trans. Amer. Ent. Soc., XXII, 
Dp. cLSr. 
Males 2, females 2: Omaha (4) ; August 3 to 20; visits flowers 
of Chamaecrista fasciculata. 
Solenius (Lophocrabro) trapezoidus (Packard). 
1866. Crabro trapezsoidus Packard, Proc. Ent. Soc. Phil., VI, p. 89. 
1895. Crabro trapezoidus Fox, Trans. Amer. Ent. Soc., XXII, p. 160. 
Males 1: Omaha, July 22, 1913 (L. T. Williams). 
Solenius (Lophocrabro) singularis (F. Smith). 
1856. Crabro singularis F. Smith, Cat. Hym. Brit. Mus., IV, p. 417. 
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