Cercopoidea—Aphrophoridae 
Ptyela 
Ptyelus 
37 
Region] Equals Philaenus Stal [in part.] 
Kirkaldy 1900c*: 265 [Listed] 
Lameere 1900a: 123 [Key] :124 [Key to species from 
Belgium] Equals Philaenus Stal [in part.] 
Horvath 1901a: 256 [Listed] 
Kirkaldy 1901 d: 179 [Listed] 
Kirkaldy 1901e: 219 [Listed] 
Lambertie 1901a: 211 (83) [List of species from 
France] Equals Philoenus [sic] Stal [in part.] 
Schouteden 1901a: 120 [Listed] 
Dominique 1902a: 220 [Listed] 
Breddin 1903b: 91 [Comparative note] 
Graeffe 1903a: 56 (16) [List of species from Serbia] 
Equals Philaenus Stal [in part.] 
Matsumura 1903a: 21 [Key] :48 [Described, key to 
species from Japan] Equals Philaenus Stal 
[in part.] 
Melichar 1903b: 133 [Described, catalogued] :226 
[Listed] 
Alfken 1904a: 598 [Listed] Equals Philaenus Stal 
[in part.] 
Guerin 1904a: 882 [Listed] 
Hueber 1904a: 266 [List of species from Germany] 
Equals Philaenus Stal [in part.] 
Hueber 1904b: 266 [List of species from Germany] 
Equals Philaenus Stal [in part.] 
Lambertie 1904a: 29 (13) [Listed] 
Matsumura 1904a: 49 [Comparative note] :50 
Equals Philaenus Stal [in part.] 
Olivier 1904a: 93 [Listed] 
Kirkaldy 1906c: 277 [Listed] :379 [Comparative 
note] 
Matsumura 1906a: 74 Equals Philaenus Stal 
[in part.] 
Matsumura 1907b: 115 [Catalogued, catalogue of 
species from Japan] 
Distant 1908c: 310 [New species from Cameroons] 
Distant 1908d: 443 [Listed] 
Distant 1908g: 85 [Listed] :86 [Key] :87 [Described, 
catalogued] Equals Philaenus Stal [in part.] 
Distant 1908h: 219 [Catalogued] Equals Philaenus 
Stal [in part.] 
