General Catalogue of the Homoptera 
C[ercopis] quadrangularis Say 1859c: 256 [n. sp., reprinted] 1 
[Aphrophora quadrangularis] Say 1859e: 382 Equals Cercopis quad- 
rangidaris Say 
[Aphrophora] quadrangularis Harris 1863a: 225 [Listed] 2 Equals 
[Cercopis] quadrangularis 
L[epyronia] quadrangularis Stal 1864a: 67 [Comparative note] 
[Lepyronia quadrangularis] Stal 1866c: 384 Equals Cercopis quadrangu¬ 
laris Say 
Enchenopa quadrangularis Rathvon 1869a: 550 [Listed] 8 
Aphrophora quadrangularis Walsh and Riley 18691: 228 [Economics] 2 
[Aphrophora] quadrangularis Uhler 1872a: 472 [Listed] 9 ’ 10 
A[phrophora] quadrangularis Uhler 1876a: 346 [Listed] 9 ’ u, 12, 13, u, 15 
Equals Cercopis quadrangularis Say 
Aphrophora quadrangularis Glover 1877a: 31; Figs. 24, 25 [Described, 
illustrated] 16 ’ 17 Equals Cercopis [quadrangularis] 
A[phrophora] quadrangularis Uhler 1877a: 457 [Notes] 9 Equals Cercopis 
quadrangularis Say 
Aphrophora quadrangularis Glover 1878a: 1; PL 1, Fig. 35; PI. 2, 
Fig. 28 [Illustrated] 18 Equals Cercopis quandrangularis 
A[phrophora] quadrangularis Uhler 1884a: 243 [Notes] 18 
Aphrophora quadrangularis Popenoe 1885a: 63 [Listed] 19 
Aphrophora quadrangularis Comstock 1888a: 177; Fig. 147 [Described, 
illustrated] 18 
A [phrophora] quadrangularis Lintner 1888a: 121 [Listed] 3 
A [phrophora] quadrangularis Uhler 1888c: 243 [Notes] 18 
A [phrophora] quadrangularis Lintner 1889a: 245 [Food plants] 3 
[Aphrophora] quadrangularis Provancher 1889a: 255 [Key] :256 
[Described] 20 Equals Cercopis quadrangularis Say 
Lepyronia quadrangularis Van Duzee 1889b: 8 [Listed] 21 
Aphrophora quadrangularis Provancher 1890d: 255 [Key] :256; PI. V, 
Fig. 11 [Described, illustrated, catalogued] 20 Equals Cercopis quad¬ 
rangularis Say 
L[epyronia] quadrangularis Smith 1890a: 442 [Listed] 22 
Lepyronia [quadrangularis] Van Duzee 1890c: 388 Equals Cercopis 
4-angularis Say 
A [phrophora] quadrangularis Fernald 1891a: 11 [Food plants] 2 
Lepyronia quadrangularis Harrington 1892a: 31 [Listed] 21 
Aphrophora quadrangularis Osborn 1892a: 127 (13) [Listed] 23 
Lepyronia quadrangularis Southwick 1892b: 318 [Listed] 3 
L[epyronia] quadrangularis Fitch 1893a: 393 (53) [Reprinted, food 
plants, catalogued] 3 
Aphrophora quadrangularis Hopkins 1893a: 231 [Economics] 24 
