Cercopoidea—Aphrophoridae 
305 
[Aphrophora bifasciata] var. h de Graaf and Snellen van Vollenhoven 
1854a: 182 [Catalogued] 7 Equals [ Aphrophora ] populi Fabr. [nec 
Linne] 
Cerc[opis\ populi [nec Linne] Flor 1801a: 130 To Ptyelus ( Ptyelus ) 
spumarius Linne 
[Ptyelus spumarius] var. 10 Marshall 1865f: 57 Nom. nov. pro C[er- 
copis] populi Fabricius [1775] [nec Cicada populi Linne 1761] [De¬ 
scribed] 8 
Cercopis populi [nec Linne] Stal 1869a: 16 To P[hilaenus\ spumarius 
Linne 
[Cercopis] populi [nec Linne] Dallas 1870a: 494 To Philaenus spu¬ 
marius Linne 
[Philaenus spumarius] populi [nec Linne] Brischke 1871a: 13 [Listed] 9 
[Cercopis] populi [nec Linnel Sahlberg 1871a: 89 To Ph[ilaenus] 
spumarius Linne :91 To [Philaenus spumarius] var. t Sahib. 
[Philaenus spumarius] populi [nec Linne] Fieber 1872a: 7 [Listed] 1 
[Philaenus spumarius] populi [nec Linne] Beuthin 1875a: 105 [Listed] 10 
[Philaenus spumarius] populi [nec Linne] Puton 1875a: 125 [Listed] 
[Cercopis] populi [nec Linne] Douglas and Scott 1876a: 71 To [Phi¬ 
laenus] spumarius Linne 
[Ptyelus spumarius populi] [nec Linne] Ferrari 1885b: 419 [Key] 4 
Equals Cercopis populi Fabr. [nec Linne] 
[Philaenus spumarius] populi [nec Linne] Edwards 1886a: 99 [De¬ 
scribed] 
[Ptyelus spumarius] populi [nec Linne] Puton 1886b: 76 [Listed] 
[Philaenus spumarius] populi [nec Linne] Beuthin 1887a: 91 [Listed] 11 
[Philaenus spumarius] populi [nec Linne] Buckton 1890c: 86 [De¬ 
scribed] 8 
[Ptyelus spumarius] populi [nec Linne] Duda 1892a: 30 [Listed] 5 
[Ptyelus spumarius] populi [nec Linne] Bezzi 1893a: 109 (29) [Listed] 4 
[Philaenus spumarius] populi [nec Linne] Edwards 1894d: 80 [Key] 
Cercopis populi [nec Linne] Goding 1895b: 497 To P[hilaenus] spu¬ 
marius Linne 
[Philaenus spumarius] populi [nec Linne] Melichar 1896a: 123 [De¬ 
scribed] 
f Ptyelus spumarius] populi [nec Linne] Horvath 1897c: 53 [Listed] 12 
[Cicada] populi [nec Linne] Horvath 1898a: 276 [Synonymy] 
[Ptyelus spumarius] populi [nec Linne] Horvath 1899b: 469 [Listed] 13 
[Ptyelus spumarius] populi [nec Linne] Puton 1899a: 99 [Listed] 
[Philaenus spumarius] populi [nec Linne] Strobl 1900a: 208 [Listed] 14 
[Philaenus spumarius] populi [nec Linn6] Melichar 1901 f: 32 [Notes, 
catalogued] 
