346 
General Catalogue of the Homoptera 
Philaenus spumarius Weber 1931a: 72, 107; Fig. 106a [Morphology, 
illustrated] 
Ptyelus spumarius Weber 1931a: 95 [Morphology] Equals Philaenus 
[spumarius] 
Philaenus spumarius Wnukowsky 1931a: 11 [Listed] 163 
Philaenus spumarius Bogdanov-Katjkov 1932a: 457 [Listed] 18 
Philaenus spumarius Enderlein 1932a: 193; Fig. 467 [Illustrated] 
Philaenus spumarius Esaki 1932b: 1730; 1 fig. [Described, illustrated] 91 
Philaenus spumarius Kusnetzov 1932b: 230 Equals Aphrophora 
spumaria 
Philaenus spumarius Metcalfe 1932a: 467-481; Pis. 27-28 [Reproduc¬ 
tive organs described, illustrated] 
Philaenus spumarius Peus 1932a: 113 [Ecology] 1 
Philaenus spumarius Dykstra 1933a: 29 [Disease vector] 
Philaenus spumarius Kato 1933b: PI. 42, Fig. 6 [Notes, illustrated] 91 
Philaenus spumarius Keler 1933a: 139 [Listed] 
Philaenus spumarius Lallemand 1933a: 4 [Comparative note] 
Philaenus spumarius Paoli 1933a: 3 [Biology, illustrated] 
Philaenus spumarius Schneider 1933a: 720 [Listed] 
Ph[ilaenus] spumarius Weber 1933a: 658 [Listed] 
Philaenus spumarius Zeller 1933a: 9 [Disease vector] 164 
[Ptyelus] spumarius Acloque 1934a: 400 [Key] 4 
Philaenus spumarius Brindley 1934a: 69 To Philaenus leucophthalmus 
Linne 
Philaenus spumarius Della Beffa 1934a: 729; Fig. 787.2 [Economics, 
illustrated] 
Philaenus spumarius Grandi 1934a: 58, 59 [Parasites] 13 
Philaenus spumarius Imms 1934a: 374 [Notes] 1 ’ 77 
Philaenus spumarius Kahle 1934b: 41 [Notes] 
Philaenus spumarius Metcalf and Horton 1934a: 369 [Catalogued] 
Equals Cicada spumaria Linne Equals Philaenus leucophthalmus 
Linne 
Aphrophora spumaria Metcalf and Horton 1934a: 370 Equals Cicada 
spumaria Linne 
[Cercopis] spumaria Metcalf and Horton 1934a: 369 Equals Aphro¬ 
phora alni Fall, (error) Equals Cicada spumarius Linn6 Equals 
Cercopis alni Fall, [error] :370 To Aphrophora alni Fall, [error] 
:418 [Key] 114 - 165 
Ph[ilaenus] spumarius Ossiannilsson 1934a: 131 [Listed] 2 
Philaenus spumarius Silvestri 1934a: 330; Fig. 295 [Described, illus¬ 
trated] 13 - 114 - 165 Equals Ptyelus spumarius Equals Philaenus leu¬ 
cophthalmus 
