326 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. a?. 



RHINOMACER PILOSUS LeConte. 



This is incluiled in the U. S. National Museum from Cambridge, 

 Massachusetts; Washington, District of Columbia, May 9; Marquette, 

 Michigan, June, July; Eagle Harbor, Lake Superior, June; all from 

 the Hubbard and Schwarz collection; and from Agricultural College, 

 Mississippi, November (Weed). 



RHINOMACER ELONGATUS LeConte. 



Durham, New Hampshire (Weed and Fiske); Washington, Dis- 

 trict of Columbia, April, May; Marquette, Michigan, July (Hub- 

 bard and Schwarz); Bayfield, Wisconsin; Ontario (Wickham); 

 Eufaula, Alabama, February, on pine trees; Meridian, Mississippi, 

 February; Jackson, Mississippi, February (Hubbard and Schwarz); 

 Texas. 



RHINOMACER COMPTUS LeConte. 



Veta Pass, Colorado, June; Tenino, Washington (Hubbard and 

 Schwarz). 



RHINOMACER BOMBIFRONS LeConte. 



This species is not represented. 



Genus DIODYRRHYNCHUS Schonherr. 

 DIODYRRHYNCHUS BYTUROIDES LeConte. 



Monterey County, California, January, on needles of Pinus radiata 

 (Coleman); The Dalles, Oregon, May (Hubbard and Schwarz). 



SubfaiTiily A-LI^OCORYNIN^K. 



Genus ALLOCORYNUS Sharp. 



ALLOCORYNUS SLOSSONI SchaefFer. 



Biscayne Bay, Florida (Mrs. A. T. Slosson). 



Subfamily RHY^lSTCHITIN'^gE. 



Genus AULETES Schonherr. 



KEY TO SPECIES OF AULETES. 



Antennae inserted at middle of beak; last joint of club triangular, pointed, as wide 

 as the preceding; body black, coarsely punctured, thinly pubescent, .ater LeConte. 

 Antennae inserted at about basal third of beak. 



Body black, finely punctured, thinly pubescent; beak nearly as long as head 

 and prothorax; last joint of antennae narrower than the preceding, obtuse, 



nasalis LeConte. 



Body pale yellowish throughout; pubescence sparse, short, semierect; beak 



twice as long as head; last joint of antennal club about as wide iaa tenth, slightly 



wider than long and obtusely rounded at apex; the tenth joint fully as long as 



wide •. laticollis Casey. 



