Cercopoidea—Aphrophoridae 
231 
Phylaenus [sic] 
Philaenus 
Moore 1920a: 23 [Listed] 
Tullgren and Wahlgren 1920a: 142 [Notes, key] 
Jacobi 1921a: 5 [Notes] 
Haupt 1922a: 20 [Key] :22 [Key to species from 
Europe] 
Myers 1922a: 9 [Notes] 
Stearns 1923a: 206 [Listed] :211 [Key] :224 [De¬ 
scribed, key to species] 
Hofmanner 1924a: 46 [List of species from Switzer¬ 
land] 
Lindberg 1924a: 41 [List of species] 
Schmidt 1924a: 108 [Comparative note] 
Buchner 1925a: 214 [Symbionts] 
Haupt 1925a: 11 [List of species from Bavaria] 
Imms 1925a: 356 [Listed] 
Kupka 1925a: 105 [Listed] 
Reichert 1926a: 256 (6) [Economics] 
Johnson 1927a: 38 [List of species from Maine] 
Leonardi 1927a: 27 [List of species from Italy] 
Poisson and Poisson 1927a: 134 [Listed] 
Filipieff 1928a: 148 [Key, key to species from Russia] 
Leonard 1928a: 146 [List of species from New York] 
Poisson and Poisson 1928a: 83 [Listed] 
Haupt 1929c : 223 [Key] 
Luigioni 1929a: 217 (19) [List of species from 
Italy] 
Walley 1929a: 155 [Notes, key to species and 
varieties] 
Doering 1930a: 53 [Listed] :58 [Key] 
Doering 1930b: 91 [Described, catalogued, key to 
species] :93 Equals Aphrophora Blanch, [in 
part.] Equals Cicada Fabr. [in part.] Equals 
Cercopis Fabr. [in part.] :94 Equals Ptyelus Flor 
[in part.] :97, 99 [Comparative notes] :102 
[Morphology of genitalia] 
Imms 1930a: 356 [Listed] 
Johnson 1930a: 32 [List of species from Massachu¬ 
setts] 
Weber 1930a: 301 [Listed] 
Rostrup and Thomsen 1931a: 89 [Ecology] 
Enderlein 1932a: 193 [Key] 
Kuznezov 1933b: 16 [Listed] 
