196 MAIN^ AGRICUI.TURAI, e;XPERIMENT STATION. 1012. 



ELEUSINE. Goose Grass. 



E. Indica Caertn. 

 Aphis setariae Thomas. Sanborn, 1910, p. 6. 

 Rhizobhis eleiisinis Thomas. Thomas, 1878, p. 15. 



ELYMUS. Wild Rye. 



E arenarius L. 



Hyalopterus arundinis (Fab.) Koch (A. pruni Walker partim) 



Passerini, 1863, p. 27. 

 Hyalopterus pruni (Fab.) Koch. (Walker partim). Passerini, 1863, 

 p. 27. 

 E. canadensis L. 



Mysocallis (?) sp. Osborn. Osborn, 1892, p. 129. 

 E. geniculatus. 



Aphis padi Kalt. (A. avenae Fab. Kalt.). Mordwilko, 1897, p. 283. 

 E. virginicus L. 

 Macrosiphum cerealis (Kalt.). Pergande, 1904a, p. 20. 

 Macrosiphum c;ra«ar/a Buckton (avenae Thos. in part). Pergande, 

 1904a, p. 15. 



ERAGROSTIS. 



E. megastachya Link (major Host.). 

 Colopha ulmicola (Fitch) (eragrostidis Middleton). Patch, 1910, p. 



205. 

 Pemphigus boyeri Pass. (A. radicum Boyer) (Amycla fuscifrons 



Koch). Passerini, 1863, p. 74. 

 Pemphigus caerulescens Pass. Passerini, 1863, p. 74. 

 Schisoneura corni Fab. S. graminis Del Guercio). Del Guercio, 1900, 



p. 103.. 

 S chizoneura venusta Pass. Passerini, i860, p. 38. 

 Tychea eragrostidis Pass. Passerini, i860, p. 39. 

 E. minor Host, (poaeoides). 



Colopha eragrostidis Middleton. Williams, 1891, p. 13. 

 E. pectinacea Michx. 

 Schizoneura panicola Thomas. Oestlund, 1887, p. 29. 



E. sp. 



Pemphigus fuscifrons (Koch) (P. boyeri Pass.) (P. zeae maidis 

 Low?) (A. radicum Boyer?). Buckton, 3, 

 p. 116. 



FESTUCA. Fescue Grass. 



F. elatior L. Taller or Meadow Fescue. 

 Tychea trivialis Pass. Passerini, i860, p. 40. 



F. ovina L. (duriuscula L.) Sheep's Fescue. 

 For da formicaria Heyden (Rhizoterus vacca Hartig). Passerini, 1863, 



p. 79. 

 Paracletus cimiciformis Heyden. Buckton, 3, p. 67. 

 Tychea trivialis Pass. Kaltenbach, 1874, p. 753. 



