342 
General Catalogue of the Homoptera 
Aphrophora [bifasciata] [nec Linne] [error] Equals Ptyelus 
[bifasciatus] Walk, [nec Linne] [error] 
Philaenus spumarius Hedicke 1918a: 167 [Ecology] 20 
[. Philaenus ] spumarius Horvath 1918a: 329 To Philaenus leucoph- 
talmus [sic] Linne 
Philaenus spumarius Reichert 1918a: 173 (6) [Listed] 20 
Cicada spumaria Schumacher 1918a: 78 [Listed] 
[Philaenus] spumarius Stearns 1918a: 3 [Comparative note] 
Philaeum [sic] spumarius Uyttenboogaart 1918a: 112 [Listed] 140 
Philaenus spumarius Ashley 1919a: 122; Fig. 50 [Economics, life 
history, illustrated] 33 
Philaenus spumarius Britten 1919a: 17 [Listed] 33 
Philaenus spumarius Lochhead 1919a: 153 [Economics] 
[Philaenus] spumarius Lyle 1919a: 7 [Notes, ecology] 33 
Philaenus spumarius Reichert 1919a: 192 (10) [Economics] 20 
Philaenus falleni Schumacher 1919a: 193 [Nomenclature] 
[Philaenus] spumarius Jensen-Haarup 1920a: 76 [Key] :77; Figs. 
41, 42 [Described, illustrated, key to varieties] 1 - 5 - 66 ■ 77 - 91 - 141 - 
142 Equals [Philaenus] graminis De G. 
Philaenus spumarius Moore 1920a: 22 [Life history notes] 52 
[Philaenus leucophthalmus] falleni Moore 1920a: 23 [Listed] 
Philaenus spumarius Tullgren and Wahlgren 1920a: 142; PL III, Text 
fig. 99a [Notes, illustrated] 2 
Philaenus spumarius Butler 1921a: 160 [Listed] 42 - 143 
Philaenus spumarius Ealand 1921a: 122 [Notes] 
P[hilaenus] spumarius Williams 1921a: 49 [Food plants] 54 
[Philaenus] spumarius Fahringer 1922a: 300 To Philaenus leuco¬ 
phthalmus Linne 
Phil[aenus] spumarius Haupt 1922a: 25; Fig. 1 [Key] :26 [Key to 
varieties] 
Phil[aenus] spumarius [spumarius] Haupt 1922a: 27 [Key] 
Philaenus spumarius MacGillavry 1922a: 69 [Catalogued] 22 
Philaenus spumarius Melichar 1922a: 308 [Comparative note] 
Philaenus spumarius Patch 1922a: 373 [Economics] 53 
Aphrophora spumaria Boring 1923a: 91 [Cytology] 1 
[Philaenus] spumarius Boring 1923a: 91 To Philaenus leucophthalmus 
Philaenus spumarius Claus and Grobben 1923a: 659 [Listed] 1 Equals 
Aphrophora [spumaria] Linne 
[Philaenus] spumarius Lindberg 1923a: 41, 43 [Comparative notes] 
:43 [Notes] 
[Philaenus spumarius spumarius] Lindberg 1923a: 43 [Listed] 
Philaenus spumarius Murphy 1923a: 31 [Disease vector] 86 
