870 GENERAL CATALOGUE OF THE HOMOPTERA 



[Thamnotettix] nigrifrons Buys 1924a: 72 [Key] 4 

 [Deltocephalus (Deltocephalus)] nigrifrons De Long 1926d: 



94, 95 [Comparative notes] 

 Thamnotettix nigrifrons Essig 1926a: 213 [Described, ecol- 

 ogy] 7 - 9 ' - 8 Equals Cicadula [nigrifrons Forb.] 

 Thamnotettix nigrifrons Osborn 1926c : 350 [Notes] 28, 50 

 Thamnotettix nigrifrons Osborn 1926e : 350 [Notes] 28, 50 

 Cicadula nigrifrons Frison 1927a: 149 [Catalogued] 1 To 



Thamnotettix [nigrifrons Forbes] 

 Thamnotettix nigrifrons Stearns 1927a : 16 [Food plants] 36 

 Thamnotettix nigrifrons Granovsky 1928a : 263 [Economics] 



34 



T[hamnotettix~\ nigrifrons Leonard 1928a: 171 [Listed] 4 - 37 



Equals [Thamnotettix] perpunctata Van D. 

 D [eltocephalus] nigrifrons Leonard 1928a : 167 [Listed] 4 

 [Thamnotettix] nigrifrons Ogilvie 1928a: 21 [Ecology] 19 

 Thamnotettix nigrifrons Osborn 1928b: 326; figs. 98a-f 

 [Described, illustrated, ecology] 14 : 319 [Key] : 324, 

 325 [Comparative notes] : 372 [Listed] 14 

 Thamnotettix nigrofrons [sic] Beckwith and Hutton 1929a: 



427 [Life history] 20 

 Th [amnotettix] nigrifrons De Long and Sleesman 1929a : 99 



[Comparative note] 

 Thamnotettix nigrifrons Lawson 1929a: 40, 41 [Listed] 21 



: 45 [Ecology] 21 

 Thamnotetti[x] nigrifrons Shackleford 1929a : 145 [Ecology] x 

 Thamnotettix] nigrifrons Osborn 1929b: 84 [Listed] 38 - 39> 40 



: 98 [Ecology, notes] 39 - «• 42 

 Thamnotettix nigrifrons Fletcher 1930a: 43, 45, 46, 48, 49 



[Ecology] 53 

 T [hamnotettix] nigrifrons Johnson 1930a: 35 [Listed] 43 ' 51 

 Deltocephalus nigrifrons Lawson 1930c : 36, 37 [Ecology] 21 : 



39 [Listed] 21 

 Thamnotettix nigrifrons Dobroscky 1931a : 64 [Listed] 20 ' 37 - 51 

 Thamnotettix nigrifrons Kelsheimer 1932a : 90 [Ecology] 14 

 Thamnotettix nigrifrons Osborn 1932a: 516 [Ecology] 14 

 Thamnotettix nigrifrons Osborn 1932b : 21 ; figs. 5a-f [Notes, 



life history, economics, illustrated] 4 - 26 - 27 - 28 - 44 

 Thamnotettix nigrifrons Osborn 1935a : 163 ; figs. 30a-f [De- 

 scribed, catalogued, illustrated] 39 Equals Cicadula nigri- 

 frons Forb. : 114 [Distribution] 3S 

 [Deltocephalus (Unerus) nigrifrons] De Long 1936a: 219 

 Equals [Cicadula] nigrifrons Forb. 



