Cercopoidea—Aphrophoridae 
341 
[Philaenus] spumarius Jensen-Haarup 1915a: 40 [Key] 
Ph[ilaenus\ spumarius Jensen-Haarup 1915b: 81; Fig. 6 [Described, 
illustrated, key to varieties] 5 
Philaenus spumarius Metcalf 1915a: 48 (16) [Listed] 139 
[Cicada] spumaria Poda 1915a: 53 [Described] 3 
Philaenus spumarius Felt 1916a: 87 [Economics] 54 
Aphrophora spumaria Harvey 1916a: 41 [Chromosome number] 
Philaenus spumarius Harvey 1916a: 41 [Chromosome number] 
[Philaenus] spumaris [sic] Horvath 1916a: 13 To Philaenus leucoph- 
thalmus Linne 
Philaenus spumarius Osborn 1916a: 58 [Listed] :59 [Hibernation] 53 
Philaenus spumarius Osborn 1916b: 268; Figs. 38, 39, 44, 45, 46 
[Economics, illustrated] 53 :273 [Comparative note] :287 [Ecology] 53 
[Philaenus] spumaiius Oshanin 1916a: 74 To Philaenus leucophthalmus 
Linne 
[Philaenus leucophthalmus] falleni Van Duzee 1916a: 57 Equals 
[Philaenus] spumarius Fall. Equals [Philaenus] bifascialus Fabr. 
[nec Linne] [error] 
Philaenus spumarius Cameron 1917a: 53, 71 [Ecology] 33 
Aphrophora spumaria Haupt 1917a: 150 [Catalogued] Equals Cicada 
spumaria Linne Equals Aphr[ophora] alni Fall, [error] 
Aphr[ophora] alni Haupt 1917a: 150 To Aphrophora spumaria Linne 
[error] 
Aph[rophora] bifasciata [nec Linne] Haupt 1917b: 178 To Philaenus 
graminis De G. 
Phil[aenus] spum[arius] Haupt 1917b: 178 To Philaenus graminis 
DeG. 
Ptyelus spum[arius] Haupt 1917b: 178 To Philaenus graminis De G. 
Cerc[opis] spum[aria] Haupt 1917b: 178 To Philaenus graminis De G. 
:180 To Phil[aenus] giam[inis] quadrimaculata von Schrank 
Aphr[ophora] bif[asciata] bifasciata [nec Linne] Haupt 1917b: 181 To 
Phil[aenus] gram[inis] flavicollis von Schrank [nec Linne] 
Aphr[ophora] bif[asciata] var. e Haupt 1917b: 183 To Phil[aenus] 
gram[inis] populi Fabr. [nec Linne] 
[Philaenus graminis] var. X Haupt 1917b :183 To Phil[aenus] gram- 
[ inis] ustulata Fall. 
Philaenus spumarius Tullgren 1917a: 29 [Economics] 2 
[Philaenus spumarius] Van Duzee 1917b: 513 Equals [Philaenus] 
leucophthalmus Linne 
[Philaenus leucophthalmus] falleni Van Duzee 1917b :514 [Catalogued] 
Equals Cercopis spumarius Fall. Equals Ptyelus [spumarius] Flor 
:515 Equals Cercopis bifasciatus Fabr. [nec Linne] [error] Equals 
