Sphecoidea of Nebraska 93 
August 3 to September 19; visits flowers of Chamaecrista sp., 
Aster multiflorus and Solidago canadensis. 
Larropsis aurantia (Fox). 
1891. Larra aurantia Fox, Ent, News, Il, p. 194. 
1893. <Ancistroma aurantia Fox, Proc. Acad. Nat. Sc. Phil., p. 490. 
1913. Larropsis aurantia Williams, Kans. Univ. Sc. Bull., VIII, p. 
144. 
Males 4, females 7: Omaha (4), Lincoln (1), West Point (1), 
Mitchell (1), Harrison (2) and Monroe Canyon (2); August I 
to September 10; visits flowers of Chamaecrista sp. 
Larropsis rubens Mickel. 
1918. Larropsis rubens Mickel, Univ. Nepr. Strupies, XVII, p. 320. 
Females 1: Mitchell, September 6, 1916 (R. W. Dawson). 
Larropsis picina Mickel. 
1916. Larropsis picina Mickel, Trans. Amer. Ent. Soc., XLII, p. 418. 
Males 4, females 1: Harrison (5), August 9, 1908 (C. H. 
Gable). . 
Larropsis sericifrons (H. S. Smith). 
1906. Ancistroma sericifrons H. S. Smith, Ent. News, XVII, p. 247. 
1908. Ancistroma sericifrons H. S. Smith, Univ. Nepr. Stupies, 
VIII, p. 376. 
Males 6: Glen (6); August 20 and 22. 
Larropsis conferta (Fox). 
1893. Ancistroma conferta Fox, Proc. Acad. Nat. Sc. Phil., p. 494. 
1913. Larropsis conferta Williams, Kans. Univ. Sc. Bull., VIII, p. 
145. f 
Males 32, females 15: Omaha (1), South Sioux City (1), 
West Point (2), Halsey (3), Mitchell (1), Glen (31), Harri- 
son (4), Monroe Canyon (2) and Pine Ridge (1); June to 
August 22; visits flowers of Chamaecrista fasciculata, Melilotus 
alba, Cleome serrulata and Gutierrezia sarothrae. 
Larropsis bruneri (H. S. Smith). 
1906. <Ancistroma bruneri H. S. Smith, Ent. News, XVII, p. 248. 
1908. Ancistroma bruneri H. S. Smith, Univ. Nese. Stupres, VIII, 
p. 376. 
1913. Larropsis bruneri Williams, Kans. Univ. Sc. Bull., VIII, p. 145. 
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