CICADELLOIDEA — EUSCELIDAE 2367 



Xestocephalus nigrifrons Van Duzee 1917b : 622 [Cata- 

 logued] ^- " 

 Xestocephalus nigrifrons Osborn 1922c: 37 [Ecology] ■* 

 Xestocephalus nigrifrons Osborn and Drake 1922a : 15 



[Listed] * 

 Xlestocephalus] nigrifrons De Long 1923a: 87 [Described, 



key, catalogued] ^- -• ■' 

 Xestocephalus nigrifrons Stearns 1927a: 10 [Food plants] '^ 

 Xlestocephalus] nigrifrons Ijeonard 1928a: 163 [Listed] ^ 

 Xestocephalus nigrifrons Osborn 1928b : 243 [Described] ^- '^• 



' : 242 [Key] : 244 [Comparative note] : 370 [Listed] " 

 X[ estocephalus] nigrifrons Peters 1933a : 73 [Listed] ^ : 74 



[Key] 

 [Xestocephalus] nigrifrons De Long and Caldwell 1937c: 17 



[Catalogued] ^- - 

 Xlestocephalus] nigrifrons Brimley 1938a: 93 [Listed] ^ 

 Xestocephalus nigrifrons Wene and Dominick 1941a: 122 



[Listed] « 

 [Xestocephalus] nigrifr'ons De Long and Knull 1946a: 29 



[Catalogued] ^' - 

 [Xestocephalus] nigrifrons Osborn and Knull 1947a: 330 



[Listed] " 

 Xestocephalus nigrifrons De Long 1948a: 181 [Described, 



catalogued] ^^ : 180 [Key] 

 [Xestocephalus] nigrifrons Oman 1949a: 59 [Catalogued] 



9, 10 



Xextocephalus [sic] nigrifrons Moore 1950a: 259 [Listed] " 

 Xextocephalus [sic] nigrifrons Moore 1950b: 34 [Listed] " 

 X[estocephalus] nigrifrons Fattig 1955a: 21 [Listed] ^' 



Localities : ' Maine. - Tennessee. ° Eastern States. * New York. 

 " Pennsylvania. " Virginia. " Ohio. * North Carolina. ^ Northeastern 

 States. "' Southeastern States. " Quebec. '~ Georgia. 



nikkoensis Matsumura 



Xestocephalus nikkoeyisis Matsumura 1914a: 200 [n. sp.] ' 

 Xestocephalus nikkoensis Ishihara, et al. 1953a: 117 [Listed] 



2 



[ Xestocephalus] nikkoensis Ishihara 1953b : 25 [Catalogued] 



1. 2 



Xestocephalus nikkoensis Esaki and Ito 1954a : 87 [Cata- 

 logued] ^ -^ 



Localities: 'Honshu. - Shikoku. "Japan. 



