386 GENERAL CATALOGUE OF THE HOMOPTERA 



Empoasca unicolor Dudley and Wilson 1921a : 3 [Listed] 

 Empoasca unicolor Osborn 1921a: 14 [Listed] ^^ 

 Elmpoasca] unicolor Parrott 1921a: 207, 209 [Control]^ 

 Empoasca unicolor Eyer 1922b : 183 [Disease transmission] '^^ 

 [Empoasca'] unicolor De Long 1923a: 152 [Described, key, 



catalogued] 25 : 153 [Comparative notes] 

 Elmpoasca] unicolor Fenton and Hartzell 1923a: 381 [Life 



history notes] ^ 

 Empoasca maligna Hartzell 1923a: 115 [Catalogued] To 



[Empoasca] obtusa [error] 

 Empoasca unicolor Hartzell 1923a : 87, 90 [Economics] : 93, 

 121, 122 [Listed] : 95 [Taxonomy] : 96 [Key] : 100; 

 pi. II, figs. 5a-d [Described, illustrated, food plants] 5,22,26,27, 

 2«'29 : 102, 111, 114 [Comparative notes] : 115; figs. 4-5 

 [Economics, life history illustrated] 3,4,5,8,9,io,i4,i5,i9,22,24,26,27,3o 

 Empoasca maligna Ball 1924a : 595, 600 [Notes] : 597 [Eco- 

 nomics, catalogued] Equals Chloroneura maligna Walsh 

 Equals Empoasca unicolor Gill. 

 [Empoasca] unicolor Ball 1924a : 596 [Comparative notes] 

 Empoasca unicolor Downes 1924a : 32 [Listed] ^^ 

 Empoasca unicolor Kunkel 1924a : 54 [Nonvector] 

 Empoasca unicolor Essig 1926a: 215; fig. 114 [Notes, illus- 

 trated, food plants] ^'^^ 

 Empoasca maligna Fernald 1926a : 192 [Economics] ^^.le 

 Empoasca maligna Granovsky 1926b: 413 [Economics] ^^ 

 E[mpoasca] unicolor Granovsky 1926b: 413 [Economics]" 

 E [mpoasca] unicolor Naude 1926a : 6 [Economics] 

 Empoasca unicolor Downes 1927a : 20 [Listed] ^^ 

 Empoasca maligna Stearns 1927a : 18 [Food plants] ^^ 

 E [mpoasca] maligna Leonard 1928a: 174 [Listed] ^'^^ 



Equals [Empoasca] unicolor Gill. 

 Empoasca maligna Metcalf and Flint 1928a : 552 [Economics, 



life history] ^^ 

 [Empoasca] unicolor Ogilvie 1928a : 21 [Listed] ^* 

 Empoasca maligna Osborn 1928b: 345 [Key] : 347 [De- 

 scribed, ecology] 2'3.i2,i5,35,36 Equals Chloroneura maligna 

 Walsh Equals Empoasca unicolor Gill. : 348 [Compara- 

 tive notes] : 372 [Listed] ' 

 Empoasca maligna Crosby, Mills, and Blauvelt 1929a: 41 



[Economics]^ Equals Empoasca unicolor Gill. 

 [Empoasca maligna] Phipps 1929a: [3] [Notes, control] ^* 

 Empoasca maligna Haegele 1930a: 884 [Economics] ^^ 

 Empoasca unicolor Lawson 1930c: 39 [Listed]^ 



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