Cercopoidea—Aphrophoridae 
343 
[. Philaenus] spumarius Stearns 1923a: 225; Figs. 20, 46-50 [Described, 
key, illustrated] Equals Cicada spumaria Linne Equals Ptyelus 
albiceps Prov. Equals Philaenus lineatus Prov. :227 [Comparative 
note] 
Philaenus spumarius Alfken 1924a: 464 [Listed] 144 Equals Ptyelus 
[spumarius Linne] 
[Philaenus spumarius] spumarius Alfken 1924a: 464 [Lifted] 144 
Ph[ilaenus] spumarius Buchner 1924a: 49 [Symbionts] 
Aphrophora spumaria Hofmanner 1924a: 46, 76 [Ecology] 8 - 145 - 146 
:48 [Comparative note] 
Ph[ilaenus] spumarius Hofmanner 1924a: 48 To Phylaenus [sic] 
leucophtalmus [sic] Linne 
[Aphrophora] spumaria Hofmanner 1924a: 68 [Listed] 8 - 145 
Ph[ilaenus] spumarius Lindberg 1924a: 8 [Notes] 40 :41 [Listed] 40 
Ptyelus spumarius Brocher 1925a: 205; Figs. 1-4 [Biology, illustrated] 58 
Philaenus spumarius Brown 1925a: 63 [Listed] 147 
[Philaenus] spumarius Buchner 1925a: 90, 118 To Philaenus leu- 
cophthalmus Linne :119, 120, 140 [Symbionts] 
Philaenus spumarius Handlirsch 1925a: 1113; Fig. 1015 [Illustrated] 
[Ptyelus] spumarius Handlirsch 1925a: 1114 [Listed] 
Ph[ilaenus] spumarius Haupt 1925a: 12 [Listed] 25 
Philaenus spumarius Imms 1925a: 356 [Notes] 1 - 77 
[Philaenus] spumarius Kupka 1925a: 105 To Ph[ilaenus] leucoph¬ 
talmus [sic] Linne 
Philaenus spumarius Lindberg 1925b: 2, 7 [Listed] 91 - 148 
[Philaenus spumarius] spumarius Lindberg 1925b: 7 [Listed] 148 
Philaenus spumarius Singh-Pruthi 1925b: 200; PI. XXII, Fig. 169 
[cf genitalia described, illustrated] 
Philaenus spumarius Sowerby 1925a: 207; Fig. 7 [Illustrated] 
Ptyelus spumarius Blote 1926b: 113 [Notes] 22 
P[hilaenus] spumarius Gadeau de Kerville 1926a: 109 To Philaenus 
leucophthalmus Linne 
Philaenus spumarius Haupt 1926b: 304 [Listed] 149 
Philaenus spumarius Heymons 1926a: 160 [Notes] 1 - 66 • 77 - 91 - 150 Equals 
Ptyelus [spumarius] 
Philaenus spumarius Ivanov 1926a: 211, 213, 217, 218, 220, 223, 224, 
225; Figs. 8, 16 [Morphology of reproductive system, illustrated] 
Philaenus spumarius Kuhn 1926a: 540 [Listed] :543; Figs. 48a-b 
[Morphology of compound eyes, illustrated] 
Philaenus spumarius Priesner 1926a: 135 (Listed] 151 
Pt[yelus] spumarius R6my-Perrier 1926a: 76; Fig. PS [Key, illustrated] 
Philaenus spumarius Wnukowsky 1926a: 66 (4) [Listed] 103 
