NO. 170S. .^TUDTES^ Of XORTTT AMERTCAX WEEVILS— PIERCE. 357 



Genus GEODERCODES Casey. 



GEODERCODES LATIPENNIS Casey. 



This species is not represented. 



Genus ARAGNOMUS Horn. 

 ARAGNOMUS GRISEUS Horn. 



Montana; Garland, Colorado, June 25; Salem, Oregon, on pear, 

 May 19; Placer County, California, June, September, October; 

 Sacramento County, California, February; Los Angeles County, 

 California, April; Siskiyou County, California; Bright Angel, Ari- 

 zona, Jul}^ 10 (Barber anil Schwarz). 



ARAGNOMUS HISPIDULUS Casey. 



Los Angeles Count}^ California, April, July. 



Genus DYSTICHEUS Horn. 



DYSTICHEUS INSIGNIS Horn. 



This species is not represented. 



Genus EUCYLLUS Horn. 



EUCYLLUS VAGANS Horn. 



Riverside, Arizona; Gila Bend, Arizona; Lancaster, California, 

 August 10 (Wickham); Mojave, California (Soltau); Barstow, Cali- 

 fornia. 



Genus THINOXENUS Horn. 



THINOXENUS SQUALENS Horn. 



This species is not represented. 



THINOXENUS NEVADENSIS Casey. 



Laramie, Wyoming, February 28 (Soltau). 



Genus RHYPODES Horn. 



RHYPODES DILATATUS Horn. 



Los Angeles County, California; Alameda County, California. 



RHYPODES BREVICOLLIS Horn. 



Garland, Colorado. 



Genus CERCOPEUS Schonherr. 



CERCOPEUS CHRYSORRHCEUS Say. 



New York; Washington, District of Columbia, April 10; Afton, 

 Virginia; Ann Arbor, Michigan; Detroit, Michigan (Hubbard and 

 Schwarz); Cadet, Missouri, April 13 (J. G. Barlow). 



