-1560] Ccrcopidae 515 



Ball, Kept. la. Acad. Sci. for 1898, p. 224. 



Smith, Cat. Ins. N. J., edn. 3, p. 99, 1910. 



Van Duzee, Bui. Buf. Soc. Nat. Sci., x, p. 508, 1912. 



Van Duzee, Can. Ent., xliv, p. 327, 1912. 



Lallemand, Genera Ins., fasc. 143, p. 35, 1912, Ptyelus (as species). 



Metcalfe, Jl. Elisha Mitchell Sci. Soc, xxxi, p. 16, 1915. 

 fhifasciatuti (Fabricius), Syst. Rhyng-., p. 98, 1803, Cercopis. (Not of Lin- 



[naeus; see Stal, Hemip. Fabr., ii, p. 16.) 



Germar, Ma<r. d. Ent., iv, p. 51, 1821, Ayhrophora. 



Burnieister, Handb. d. Ent., ii, p. 122, 1835, Aphrophora. 



Blanchard, Hist, des Ins., Hemip., p. 189, 1840, Aphrophora. 



Walker, List Honiop., iii, p. 719, 1851, Ptyelus. 

 It. var. ustulatus (Fall.) 



Fallen, Hemip. Suec, Cicad., p. 19, 1826, Cercopis. 

 Sahlberg, Cicad., p. 91, 1871. 

 Melichar, Cicad. Mitt. Eur., p. 122, 1896. 



Edwards, Hemip. Homop. Brit. Isds., p. 80, pi. 9, fig. 4, 1896. 

 Ball, Kept. la. Acad. Sci. for 1898, p. 225. 

 c. var. lateralis (Linn.) 



Linnaeus, Syst. Nat., odn. 10, i, p. 437, 1758, Cicada. 

 Linnaeus, Fauna Suec, p. 241, sp. 886, 1761, Cicada. 

 Linnaeus, Syst. Nat., edn. 12, i, ]>. 709, 1767, Cicada. 

 Fabricius, Ent. Syst., iv, p. 35, 1794, Cicada. 

 Fal)ricius, Syst. Rhyng., p. 96, 1803, Cercopis. 

 Fallen, Hemip. Suec, Cicad., p. 18, 1826, Cercopis. 

 Zetterstedt, Fauna Lapp., p. 515, 1828, Cercopis. 

 Flor, Ehyn. Livl., ii, ]>. 128, 1861, Ftyelus. 

 Sahlberg, Cicad., p. 90, 1871. 



Edwards, Trans. Ent. Soc Loud, for 1886, p. 99. 

 Edwards, Hemip. Homop. Brit. Isds., p. 80, 1896. 

 Melichar, Cicad. Mitt. Eur., p. 123, 1896. 

 Ball, Rept. la. Acad. Sci. for 1898, p. 225. 

 (/. var. leucocephalus (Linn.) 



Linnaeus, Syst. Nat., edn. 10, i, p. 437, 1758, Cicada. 



Linnaeus, Fauna Suec, p. 241, sp. 885, 1761, Cicada. 



Linnaeus, Syst. Nat., edn. 12, i, p. 709, 1767, Cicada. 



Fabricius, Mant. Ins., ii, p. 210, 1787, Cicada. 



Gmelin in Linnaeus, Syst. Nat., edn. 13, i, pt. 4, p. 2106, 1788, Cicada. 



Fabricius, Ent. Syst., iv, p. 52, 1794, Cercopis. 



Fabricius, Syst. Rhyng., p. 95, 1803, Cercopis. 



Germar, Mag. d. Ent., iv, p. 53, 1821, Aphrophora. 



Fallen, Hemip. Suec, Cicad., p. 18, 1826, Cercopis. 



Zetterstedt, Fauna Lapp., p. 515, 1828, Cercopis. 



Flor, Rhyn. Livl., ii, p. 128, 1861, Ftyelus. 



Sahlberg, Cicad., ]>. 90, 1S71. 



Edwards, Trans. Ent. Soc Lond. for 1886, p. 99. 



Edwards, Hemip. Homop. Brit. Isds., p. 80, 1896. 



Melichar, Cicad. Mitt. Eur., p. 123, 1896. 



Ball, Rept. la. Acad. Sci. for 1898, p. 225. 



Van Duzee, Can. Ent., xliv, p. 327, 1912. 



albiceps Provancher, Nat. Can., iv, p. 351, 1872, Ptyelus. 



Provaneher, Pet. Fauiie Ent. Can., iii, p. 2."58, 1889. 



