CICADELLOIDEA — EUSCELIDAE 1341 



Jassus (Deltocephalus) nigricans Oshanin 1906a: 131 To 

 [Deltocephalus'] penthopittus Amy. [error] 



IDeltocephalus'i nigricans Oshanin 1912a: 107 [Listed] 2. 3, 4 

 Equals I Deltocephalus'} penthopittus Fieb. [error] 



[Deltocephalus'} nigricans Hof manner 1924a: 69 [Listed] ^ 



Del\_tocephalus} nigricans Kusnezov 1929b: 184 [Compara- 

 tive note] 



[Deltocephalus abdominalis} nigricans Haupt 1935a: 194 

 [Described, ecology] 



Deltocephalus nigricans Nast 1938b: 163 (3) [Catalogued] 

 2- 3 Equals Deltocephalus penthopitta Fieb. [error] 

 Equals Penthopitta Amy. [non binom.] [error] Equals 

 D[eltocephalus} abdominalis [nigricans Kirschb.] 



D[eltocephalus} nigricans Wagner 1939a: 168; figs. 255- 

 259 [Notes, illustrated] ^ : 169 [Key] 



[Deltocephalus collinus} nigricans Lang 1945b: 135 [Listed] 



[Diplocolenus} nigricans Ribaut 1946b: 85 (5) [Listed] 



D[eltocephalus} nigricans Lang 1947a: 24, 25 [Ecology] ^ 



Localities: ^ Italy. -Switzerland. ® France. * Belgium. ^Germany. 

 ^ Moravia. 



nigrifrons Kirschbaum 



J[assus} (D[eltocephalus}) nigrifrons Kirschbaum 1868b: 



139 [n. sp., key] 1 

 [Deltocephalus} nigrifrons Fieher 1S12sl : 13 [Listed] 2 

 Jassus (Deltocephalus) nigrifrons Fieber 1872b: 32 [Listed] 

 [Deltocephalus} nigrifrons Puton 1875a: 144 [Listed] 2 

 D[eltocephalus} nigrifrons Mayr 1884a: 36 [Listed] ^' - 

 [Deltocephalus} nigrifrons Puton 1886b: 86 [Listed] i- ^ 

 D[eltocephalus} nigrifrons Then 1886a: 37 [Listed] ^' ^ 

 Deltocephalus nigrifrons Melichar 1896a: 218 [Key] : 241 

 [Described, catalogued] ^' ^ Equals Jassus (Deltoceph- 

 [alus}) [nigrifrons Kirschb.} 

 Deltocephalus nigrifrons Baker 1897e: 116 [Notes] 

 [Deltocephalus} ensattis Horvath 1897c : 50 [Listed] ^ 

 Deltocephalus ensatus Then 1897a: 109; pi. [I], fig. [3] 



[n. sp. ecology, illustrated] ^ 

 [Deltocephalus} nigrifrons Puton 1899a: 93 [Listed] i- ^ 

 [Delotcephalus} ensatus Futon 1899a: 93 [Listed] 

 [Deltocephalus} nigrifrons Ball 1900c: 343, 344 [Compara- 

 tive notes] 

 D[ otocephalus} ensatus Then 1900a: 121, 126, 129 [Com- 

 parative notes] : 132 [Key] 



