Cercopoidea—Aphrophoridae 
511 
[Aphrophora] alni Dohrn 1859a: 68 To [Aphrophora] spumaria Linne 
[error] 
Ptyelus bifasciatus [nec Linne] Dohrn 1859a: 68 [Listed] 2 
[Aphrophora] bifasciata Dohrn 1859a: 68 To [Aphrophora] spumaria 
Linne [error] 
Aphr[ophora] alni de Motschulsky 1859b: 110 [Comparative note] 
P[tyelus] bifasciat[us] [nec Linn6] Stal 1859b: 286 [Comparative note] 
A [phrophora] bifasciata [nec Linne] Say 1859e: 386 [Comparative 
note] 2 
C[ercopis] bifasciata [nec Linne] Dumeril 1860a: 1060 [Described] 
C[ercopis] bifasciata [nec Linne] Dumeril 1860b: 1060 [Described] 
[Aphrophora] spumaria [nec Linne] Walker 1860a: 18 [Listed] 7 
[Ptyelus] bifasciatus [nec Linne] Walker 1860a: 18 [Listed] 7 
Aphrophora bifasciata [nec Linne] Flor 1861a: 129 To Ptyelus {Ptyelus) 
spumarius Linne [error] 
A [phrophora] alni Flor 1861a: 135 [Described, key] 1 - 2> 6 > 8 - 14 • 22 - 30 
Equals Aphrophora spumaria Amy. and Serv. [nec Linne] Equals 
Cercopis [alni] Fall. Equals Cercopis bifasciata Fabr. [nec Linne] 
Equals Aphrophora Amy. [non binom.] [error] :136, 137, 138 [Com¬ 
parative notes] 
Aphrophora bifasciata [nec Linne] Flor 1861a: 130 To Ptyelus ( Ptyelus ) 
spumarius Linne [error] 
Aphrophora alni Flor 1861b: 631 [Listed] 29 
Aphrophora spumaria [nec Linne] Taschenberg 1861a: 536; Figs, a-c 
[Notes, illustrated] 
Ptyelus bifasciatus [nec Linne] Fuss 1862a: 17 [Ecology] 31 
[Aphrophora] bifasciata [nec Linne] de Graaf, Six, and Snellen van 
Vollenhoven 1862a: 79 [Catalogued] 27 
C[ercopis] alni Thomson 1862a: 123 [Key] 32 
Ptyelus bifasciatus [nec Linne] Costa 1863a: 72 [Listed] 
C[ercopis] spumaria [nec Linne] Westwood 1863a: 570; Fig. 101 [Notes, 
illustrated] 
[Ptyelus] bifasciata [nec Linne] Disconzi 1865a: 203 [Notes] 3 
Aphrophora alni Marshall 1865f: 57 [Described, key, catalogued, 
ecology] 2 * 12 Equals Aphr[ophora] spumaria Germ, [nec Linne] Equals 
Cercopis bifasciata Fabr. [nec Linne] 
[Aphrophora] alni Morris 1865a: 111 [Listed] 12 
[Aphrophora] alni Bellevoye 1866a: 144 (32) [Food plants] 6 
[Aphrophora] spumaria [nec Linne] Bellevoye 1866a: 144 (32) [Food 
plants] 6 
Ptyelus bifasciata [nec Linn6] Bellevoye 1866a: 144 (32) [Listed] 6 
Aphrophora bifasciata [nec Linn6] Boheman 1867a: 624 [Ecology] 22 
Aphrophora alni Bold 1867a: 129 [Ecology] 7 
