Sphecoidea of Nebraska III 
Xylocelia occidentalis (Fox). 
1892. Diodontus occidentalis Fox, Trans. Amer. Ent. Soc., XIX, p. 
315. 
Males 4, females 1: Mitchell (1), Glen (2), Monroe Canyon 
(2) and Sowbelly Canyon (1); June 14 to August 20. 
Xylocelia rugosus (Fox). 
1892. Diodontus rugosus Fox, Trans. Amer. Ent. Soc., XIX, p. 315. 
Males 2: Omaha (2), July 2, 1913, and August 1, 1914 (L. T. 
Williams). 
Xylocelia maestus Mickel. 
1916. Xylocelia maestus Mickel, Ann. Ent. Soc. Amer., UX, p. 347. 
Males 2: Omaha (2), August 29, 1914 (L. T. Williams). 
Xylocelia spiniferus Mickel: 
1916. Xvylocelia spiniferus Mickel, Ann. Ent. Soc. Amer., IX, p. 348. 
Females 6: Omaha (6) ; June 12 to July 20. 
Xylocelia antennatus Mickel. 
1916. Xylocelia antennatus Mickel, Ann. Ent. Soc. Amer., 1X, p. 348. 
Females 1: Omaha, July 15, 1914 (L. T. Williams). 
Xylocelia metathoracicus Mickel. 
1916. Xylocelia metathoracicus Mickel, Ann. Ent. Soc. Amer., IX, 
Dp. 349. 
Females 1: Omaha, July 2, 1913 (L. T. Williams). 
Xylocelia siouxensis Mickel. 
1916. Xvylocelia siouxensis Mickel, Ann. Ent. Soc. Amer., IX, p. 350. 
Females 1: Monroe Canyon, August 19, 1912 (R. W. Dawson), 
Xylocelia gillettei (Fox). 
1892. Diodontus Gillettei Fox, Trans. Amer. Ent. Soc., X1X, p. 316. 
Females 1: Harrison, August 20, 1912 (R. W. Dawson). 
Xylocelia ater Mickel. 
1908. Diodontus nigritus H. S. Smith, Univ. Nese. Srupies, VIII, p. 
393 (nec. Fox). 
1916. Xvylocelia ater Mickel, Ann. Ent. Soc. Amer., IX, p. 351. 
Females 5: Omaha (4) ; June 20 to August 29. 
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