N'o. 1708. STUDIES OF NORTH AMERICAN WEEVILS— PIERCE. 363 



Genus SCIAPHILUS Stephens. 



SCIAPHILUS MURICATUS Fabricius. 



Bangor, Maine (Hubbard and Schwarz) ; Brattleboro, Vermont; 

 Hanover, New Hampshire (Weed); West Roxbury, Massachusetts, 

 June 17. 



Genus POLYDROSUS Germar (CYPHOMIMUS Horn). 

 POLYDROSUS AMERICANUS Gyllenhal (CYPHOMIMUS DORSALIS Horn). 



Toronto, Ontario (R. J. Crew); Otsego County, New York; Buffalo, 

 New York (Hubbard and Schwarz); Fort Pendleton, West Virginia, 

 July 10; Oakland, Maryland, July 11; Cincinnati, Ohio; Ann Arbor, 

 Michigan; Grand Ledge, Michigan, July 11 (Hubbard and Schwarz); 

 Onaga, Kansas (Crevecoeur). 



POLYDROSUS OCHREUS Fall (CYPHOMIMUS). 



This species is not represented. 



POLYDROSUS DELICATULUS Horn (SCYTHROPUS). 



Cotypes, San Jose del Cabo, Lower California. 



POLYDROSUS PENINSULARIS Horn. 



This species is not represented. 



POLYDROSUS IMPRESSIFRONS GyllenhaL 



Geneva, New York, June 18 (W. J. Schoene). 

 Apparently accidentally introduced from Europe. 



Genus SCYTHROPUS Schonherr. 



SCYTHROPUS CALIFORNICUS Horn. 



Sacramento County, California, February (Koebele); Placer 

 County, California, April (Van Dyke) ; Contra Costa County, Cali- 

 fornia (Coquillett). 



SCYTHROPUS FERRUGINEUS Casey. 



Los Gatos, California (Hubbard and Schwarz) ; Humboldt County, 

 California, June 13; Eureka, California (H. S. Barber); Oregon (Koe- 

 bele). 



SCYTHROPUS CRASSICORNIS Casey. 



This species is not represented. 



SCYTHROPUS LATERALIS Casey. 



This species is not represented. 



SCYTHROPUS ELEGANS Couper. 



Lawrence, Massachusetts; Charlemont, Massachusetts, April; Dur- 

 ham, New Hampshire (Weed and Fiske); Trenton, Ontario (Evans); 

 Canada (Pettit) ; Helena, Montana, April 26 (Hubbard and Schwarz) ; 

 Tenino, Washington; Banff Spruigs, Alberta, June 10 (Hubbard and 

 Schwarz). 



