Sphecoidea of Nebraska 59 
1898. Crabro singularis Fox, Trans. Amer. Ent. Soc., XXII, p. 159. 
1895. Crabro maculatus Fox, Trans. Amer. Ent. Soc., XXII, p. 204. 
1916. Solenius singularis Rohwer, Hym. of Conn., p. 667. 
Males 2, females 2: Child’s Point (2) and Omaha (2) ; July 14 
to August 28. . 
Solenius (Solenius) texanus (Cresson). 
1872. Crabro texanus Cresson, Trans. Amer. Ent. Soc., IV, p. 227. 
1895. Crabro texanus Fox, Trans. Amer. Ent. Soc., XXII, p. 150. 
Males 1: Omaha, July 16, 1914 (L. T. Williams) ; visits 
flowers of Chamaecrista fasciculata. 
Solenius (Solenius) planaris (Mickel). 
1916. Crabro planaris Mickel, Trans. Amer. Ent. Soc., XLII, p. 427. 
Males 1: Monroe Canyon, August 17, 1908 (R. W. Dawson). 
Solenius (Solenius) bellus (Cresson). 
1865. Crabro bellus Cresson, Proc. Ent. Soc. Phil., IV, p. 481. 
1895. Crabro bellus Fox, Trans. Amer. Ent. Soc., XXII, p. 137. 
Males 2: Glen (2), August 17 and 19. 
Solenius (Solenius) interruptus LePeletier. 
1834. Solenius interruptus LePeletier, Ann. Soc. Ent. France, III, 
Zio. 
1895. aes interruptus Fox, Trans. Amer. Ent. Soc., XXII, p. 136. 
Males 37, females 29: Child’s Point (1), Omaha (11), Weep- 
ing Water (1), Louisville (1), Meadow (1), South Bend (3), 
Lincoln (12), Fairmont (1), West Point (1), Holt county (1), 
Curtis (1), Bridgeport (1), Mitchell (1), Glen (14), Monroe 
Canyon (2), Sowbelly Canyon (1), Jim Creek (1), Warbonnet 
Canyon (2) and Sioux county (4) ; May 27 to October 12; visits 
flowers of Chamaecrista fasciculata, Solidago canadensis, Soli- 
dago glaberrima, Ceanothus americanus, Melilotus alba, Sym- 
phoricarpos sp. and Astragalus sp. 
Crabro Fabricius 
KEY TO THE SPECIES 
Females 
m abdomen always spotted and marked Qo. es. e. Do ieee eee eens 2 
Abdomen never spotted, entirely black, or red 
377 
