Cercopoidea—Aphrophoridae 
313 
[Philaenus spumarius] praeusta Haupt 1922a: 27; Fig. 13 [Key, illus¬ 
trated] 
[Philaenus spumarius ] praeustus Lindberg 1923a: 43 [Listed] 26 
[Philaenus leucophthalmus ] apicalis Prohaska 1923a: 79 [Notes] 27 
Aphrophora apicalis Sherborn 1923b: 393 [Catalogued] 
[Philaenus leucophthalmus ] praeustus Hofmanner 1924a: 68 [Listed] 
[Philaenus spumarius ] praeusta Lindberg 1924a: 8, 41 [Notes] 11 
[Philaenus leucophthalmus ] praeustus Poisson and Poisson 1927a: 134 
[Ecology] 28 
Ph[ilaenus\ spumarius praeustus Kusnezov 1927a: 257 [Listed] 29 
[Philaenus spumarius ] apicalis Ivanov 1928b: 491 [Listed] 30 
[Philaenus spumarius] apicalis Ivanov 1928c: 187 [Listed] 30 
[Philaenus spumarius] praeusta Lallemand 1928d: 3 [Listed] 31 
[Philaenus leucophthalmus] praeustus Britten 1930a: 71 [Listed] 9 
[Philaenus spumarius] praeustus de Seabra 1930b: 242 [Notes] 31 
Philaenus leucophthalmus praeustus Zangheri 1930a: 49 [Listed] 10 
P[hilaenus spumarius] praeustus Halbert 1935a: 309 [Listed] 32 
[Philaenus spumarius] praeusta Haupt 1935a: 158; Fig. 290, No. 13 
[Illustrated] 
[Ptyelus graminis] praeusta Regnier 1936a: 96 (6) [Key] Equals [Ptyelus 
graminis] apicalis Germ. 
Philaenus campestris apicalis Martelli 1938a: 141, 145 [Food plants] 10 
Philaenus spumarius apicalis de Seabra 1939a: 82 [Listed] :83 [Food 
plants] 10 
Philaenus spumarius praeustus de Seabra 1939b: 33 [Listed] 
[Philaenus spumarius] praeustus de Seabra 1942a: 8 [Listed] 31 
[Philaenus spumarius] praeustus Blote 1943a: 71 [Described] 18 
[Philaenus spumarius] praeustus Holgersen 1944b: 214 [Notes] 33 
Pli[ilaenus] s[pumarius] apicalis Reclaire 1944a: 223 [Listed] 34 Equals 
[Philaenus spumarius] praeustus Fabr. 
Ph[ilaenus] s[pumarius] praeustus Reclaire 1944a: 223 [Ecology] 34 
[Philaenus leucophthalmus] praeustus Roche 1944a: 83 [Listed] 9 
[Philaenus spumarius] praeusta Ossiannilsson 1946c: 74 [Key] 
Phylaenus [sic] leucophthalmus apicalis Servadei 1948a: 243 [Listed] 10 
[Cercopis spumarius] praeusta Esaki 1950a: 277 [Described] 35 
[Philaenus spumarius] praeustus Farsky 1951a: 34-37 [Notes] 
[Philaenus spumarius] apicalis Farsky 1951a: 34-37 [Notes] 
P[hilaenus] spumarius apicalis Synave 1951b: 184 [Listed] 36 
Philaenus leucophtalmus [sic] praeustus Servadei 1952a: 473 [Listed] 37 
Localities: 1 Sweden. 2 Germany. 3 Great Britain. 4 Bavaria. 8 Latvia. 
6 Europe. 7 Livonia. 8 Moscow. 9 England. 10 Italy. 11 Finland. 12 Brittany. 
