Sphecoidea of Nebraska 105 
1913. Tachysphex terminatus Williams, Kans. Univ. Sc. Bull., VIII, 
p. 172. 
Males 4, females 9: Omaha (2), South Bend (1), West Point 
(2), Fairmont (3), Bridgeport (1), Mitchell (1), Glen (1) and 
Sowbelly Canyon (2); June 23 to August 20; visits flowers of 
Helianthus sp., Polonasia sp. and Chamaecrista fasciculata, 
Tachysphex acuta (Patton). 
1880. Larra acuta Patton, Proc. Bost. Soc. Nat. Hist., XX, p. 390. 
1893. Tachysphex acuta Fox, Proc. Acad. Nat. Sc. Phil., p. 521. 
1913. Tachysphex acuta Williams, Kans. Univ. Sc. Bull., VIII, p. 171. 
Females 2: Omaha, August 3, 1914 (L. T. Williams), and Lin- 
coln, July. 
Tachysphex tenuipunctus Fox. 
1893. Tachysphex tenuipunctus Fox, Proc. Acad. Nat. Sc. Phil., p. 
: 525. 
Females 1: Monroe Canyon, August 18, 1912 (R. W. Dawson). 
Tachysphex consimilis Fox. 
1893. Tachysphex consimilis Fox, Proc. Acad. Nat. Sc. Phil., p. 526. 
1913. Tachysphex consimilis Williams, Kans. Univ. Sc. Bull., VIII, 
p. 164. 
Females 2: Omaha, July 23, 1914 (L. T. Williams), on Chamae- 
crista fasciculata, and Monroe Canyon, August 20, 1908 (R. W. 
Dawson). 
Tachysphex zimmeri Mickel. 
1916. Tachysphex zimmeri Mickel, Trans. Amer. Ent. Soc., XLII, 
Dp. 415. 
Females 1: Monroe Canyon, August 20, 1908 (J. T. Zimmer). 
Tachysphex glabrior Williams. 
1913. Tachysphex glabrior Williams, Kans. Univ. Sc. Bull., VIII, p. 
170. 
Males 1, females 1: South Bend, July 1, 1915 (E. G. Ander- 
son), on Melilotus alba, and West Point, June 20, on Symphori- 
carpos sp. 
Tachysphex punctifrons (Fox). 
1891. Larra punctifrons Fox, Ent. News, I], p. 194.  - 
1893. Tachysphex punctifrons Fox, Proc. Acad. Nat. Sc. Phil., p. 531. 
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