108 Clarence E. Mickel 
3; visits flowers of Chamaecrista fasciculata, Melilotus alba and 
Cleome serrulata. 
Astatus nubeculus Cresson. 
1865. Astata nubecula Cresson, Proc. Ent. Soc. Phil., 1V, p.-466. 
1893. Astatus nubeculus Fox, Proc. Acad. Nat. Sc. Phil., p. 543. 
Females 2: Lincoln, June, and Haigler, August 20, 1909 (C. H. 
Gable). Variety A: Males 2, females 1: Monroe Canyon (1) 
and Sioux county (2). 
Astatus bicolor Say. 
1823. Astata bicolor Say, West. Quart. Rep., Il, p. 78. 
1893. <Astatus bicolor Fox, Proc. Acad. Nat. Sc. Phil., p. 544. 
Males 8, females 10: Omaha (4), Weeping Water (1), Lin- 
coln (4), Monroe Canyon (2), Bad Lands (1) and Glen (1); 
July 9 to September 18; visits flowers of Melilotus alba, Chamae- 
crista fasciculata and Euphorbia sp. 
A specimen taken at Lincoln had attacked a nymph of Pentato- 
midae sp. and was dragging it away. 
Astatus asper Fox. 
1893. Astatus asper Fox, Proc. Acad. Nat. Sc. Phil., p. 546. 
Females 1: Glen, August 13, 1906 (H. S. Smith). 
Astatus nevadicus Cresson. 
1881. Astata nevadica Cresson, Trans. Amer. Ent. Soc., I, p. v. 
1893. Astatus nevadicus Fox, Proc. Acad. Nat. Sc. Phil., p. 540. 
Females 2: Glen (2), August 20, 1906 (H. S. Smith), and 
August 21, 1906 (P. R. Jones). 
Diploplectron Fox 
Diploplectron ferrugineus Ashmead. 
1899. Diploplectron ferrugineus Ashmead, Ent. News, X, p. 56. 
Females 2: Glen (2), August 14, 1906 (L. Bruner), and 
August 21, 1906 (P. R. Jones). 
426 
