CICADELLOIDEA — EUSCELIDAE 1115 



Deltocephalus balli Osborn 1928b: 271 [Key] : 288 [De- 

 scribed, ecology] ^-' : 326 [Comparative note] : 371 

 [Listed] 10 

 {Deltocephalus] balli De Long and Sleesman 1929a : 97 ; pis. 

 VII, VIII [ 6 genitalia described, illustrated] : 104 [Com- 

 parative note] 

 Deltocephalus balli Lawson 1929a : 41 [Listed] ^^ 

 Dleltocephalus] balli (?) Osborn 1929b: 84 [Listed] ^^ 

 Deltocephalus balli Poos 1929a : 148 [Food plants] 26 

 Deltocephalus balli Neiswander 1931a: 55 [Economiics, cata- 

 logued] 2 Equals D [eltocephalus'] nigrifrons Van D. [nee 

 Forbes] 

 Deltocephalus balli Lov^ry 1933a : 72 [Ecology] 28 

 {Deltocephalus'] &aZ/i Osborn 1935a : 114 [Distribution] 2? 

 {Deltocephalus] balli De Long and Caldwell 1937c : 34 [Cata- 

 logued] 6. 10. 12, 21 



D{eltocephalus] balli BYimley leSSa: 94 [Listed] ^^ 

 Deltocephalus balli Osborn 198Ca: 140 [Life history notes, 

 economics, control] i- ^^ ^5- i^- 29. 30, 31 • 142 [Comparative 

 note] 

 Deltocephalus balli de Seabra 1939a : 84, 88 [Economics] ^2 

 Deltocephalus balli Essig and Usinger 1940a: 164 [Cata- 

 logued] 

 {Deltocephalus] balli Oman 1940a: 202 [Comparative note] 

 Deltocephalus balli Medler 1943a: 73: pl. IV, fig. 9 [De- 

 scribed, illustrated, catalogued] ^^ : 71 [Key] 

 {Deltocephalus] balVi De Long and Knull 1946a : 40 [Cata- 

 logued] 6' I*'' 12, 21 Equals {Deltocephalus] nigrifrons Van 

 D. [nee Forbes] 

 {Deltocephalus] balli Osborn and Knull 1947a: 332 [Listed] ^^ 

 Deltocephalus balli De Long 1948a: 248 [Key] : 251; figs. 

 368D, 372 A-C [Described, illustrated, ecology, catalogued] 

 -■ ■'^^ Equals Deltocephalvs nigrifrons Van D. [nee Forbes] 

 {Deltocephalus] balli Oman 1949a: 173 [Catalogued] "'4. 35. 3.; 

 Deltocephalus balli Moore 1950a : 261 [Listed] ^^ 

 Deltocephalus balli Moore 1950b : 36 [Listed]" 

 {Deltocephalus] balli Young 1950a: 63 (11) [Listed] «• i^- ^-• 



21, 38 



Deltocephalus balli Strickland 1953a : 208 [Listed] ^^ 

 D {eltocephalus] balli Fattig 1955a : 62 [Economics] i^ 



Localities : ^ New York. - Illinois. ^ Mississippi. ' New iVLexico. 

 ^ California. ® Iowa. '^ Maryland. ® Louisiana. ^ Colorado. 

 " Ohio. " New Jersey. ^- Pennsylvania. ^^ Kansas. 



