286 MAINE AGRICULTURAL EXPl^RIMENT STATION. I913. 



ULMUS. Elm. . 



U. americana L. American or White Elm. 



Callipterus ulmifoln Williams. Williams 1891, p. 26, 1910, p. 2, 



"previously described by Monell." 

 Callipterus ulmifolii Monell (ulmicola Thos.). Oestlund, 1887, 



p. 42. 

 Callipterus sp. Sanborn. Sanborn, 1904, p. 42. 

 Callipterus n. sp. Sanborn. Sanborn, 1904, p. 41. 

 Colopha ulmicola (Fitch) Monell. Patch, 1910a, p. 197. 

 Pemphigus zualshii Williams. Williams, 1910 (191 1), p. 16. 

 Schizoneura americana Riley. Patch, 1913, Bnl. 217 and Bui. 220. 

 ' Schizoneura lanigera {americana in part). Patch, 1913, Bui. 217, 



p. 173, Bui. 220, p. 264. 

 Schizoneura rileyi Licht. Williams, 1891, p. 26. 

 Schizoneura rileyi Thomas (Eriosoma ulmi Riley). Patch, 1910a, 



P- 235. 1913. Bui. 217, p. 184 and Bui. 220, p. 260. 

 Tetraneura graminis (colophoidea Monell) Monell. Patch, 



1910a, p. 208. 

 U. campestris L. (suberosa) Englis'h Elm. 



Callipterus elegans Koch (Lachnus platani Kalt.) Koch, p. 213. 

 Schizoneura lanuginosa Hartig. (A. ulmi Boyer) (Mimaphidus 



ulmi Rondani). Passerini, 1863, p. 70. Patch, 1913, Bui. 217, 



p. 184, Eul. 220, p. 263. 

 Schizoneura m/m-m" (Linn.^ (fodiens Buckton). Tullgren, 1909, p. 



169. Patch, 1913, Bui. 217, p. 184, Bui. p. 271. 

 Tetraneura (Byrsocrypta) pallida (Hal.) Del Guercio (A. alba 



Ratz) (T. alba Kessler) (P. pallidus Buckton). Tullgren, 



1909, p. 185. 

 Tetraneura ulmi DeGeer (coerulescens IMordwilko nee Passerini) 



Schouteden, 1906a, p. 200. 

 Tetraneura ulmi Geoffr. (? Pemphigus coerulescens Pass.) 



Tullgren, 1909, p. 180. 

 U. fulva Michx (pubescens Walt.) Slippery or Red iillm. 



Pemphigus ulmifusus Walsh. Patch, 1910a, p. 220. 

 U. montana With. Scabra Mill. (Camperdown pendula). Scotch or 



Wych Elm. 

 Schizoneura ulmi Linn. Connold, 1902, p. 245. Patch, 1913, Bui. 



217, p. 1S4, Bui. 220, p. 27T. 

 Tetraneura ulmi (Linn.). Patch, 1910a, p. 219. 

 Tetraneura ulmisacculi Patch. Patch, 1910a, p. 216. 

 U. racemosa Thomas. Cork or Rock Elm. 



Colopha ulmicola (Fitch) Monell (eragrostidis Middleton). 



Patch, 1910a, p. 204. 

 U. sp. 



Georgia ulmi Wilson. Wilson, 19x1, p. 65. 

 Lachnus platani Kalt. Kaltenbach, 1874, p. 540 



