194 MAINi; AGRICULTURAL UXPERIMEA'T STATION. I9T2. 



Pemphigus fuscifrons Koch (Amycla fuscifrons Koch) (P. boyeri 

 Pass.) (P. zeae maidis Low?) (A. radicum 

 Boyer?) Buckton, 3, p. 116. 



Tychae setariae Pass. Passerini, 1863, p. 82. 



CYNODON. Bermuda Grass. 



C. Dactylon Pers. 



Pemphigus boyeri Pass. (Amycla fuscifrons Koch). Ferrari, 1872, 



p. 83. 



Pemphigus zeae maidis Ditfour (A. radicum Boyer) (P. boyeri Pass.) 



(A. fuscifrons Koch) (Endeis bella Koch?) 



(Endeis rorea Koch) Macchiati, 1883, p. 265. 



Sipha avenae Del Guercio. Del. Guercio, 1900, p. 116. 



Tetraneura ulmi De Geer (Pemphigus fuscifrons Buckton) (P.. sac- 



charata Del Guercio). Del Guercio, 1900, p. 93. 

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



DACTYLIS. Orchard Grass. 



D. glomerata L. 



Aphis cerealis Kalt. Kaltenbach, 1874, p. 750. 

 Chaitophorus salicivora Pass. Ferrari, 1872, p. 76. 

 Hyalopterus dactyUdis Hayhurst. Hayhurst, 1909a, p. 107. 

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

 Siphocoryne avenae (Fab.) (mali Fitch) (prunifoliae Fitch) (avenae 

 Fitch) (annuae Oestl.) (fitchii Sanderson) 

 (Siphonophora avenae Thos. in part). Per- 

 gande, 1904a, p. 8. 

 Siphonophora granaria (Kirby) Koch, (avenae Fab?) (hordei Kyber) 

 (cerealis Kalt.) (Bromaphis Amyot). 

 Buckton, I, p. 116. 

 Toxoptera graminum Rondani. Hunter, 1909, p. 102. 

 D. sp. 

 Aphis dirhoda Walker. Walker, 1849a, p. 40. 



DANTHONIA. Wild Oat Grass. 

 D. airoides Nees. 



DENDROCALAMUS. 



D. giganteus Munro. 



Oregma bainbusae Buckton. Schouteden, 1905, p. 187. 



DESCHAMPSIA. 



D. ambigua Beauv. (Aira caespitosa). 



Tetraneura graminis Monell. Williams, i8gi, p. 13. 

 D. caespitosa (L) Beauv. (Aira caespitosa). 



Tetraneura graminis Monell. Patch, 1910a, p. 210. 



Tetraneura ulmi De Geer. Cholodkovsky, 1889, p. 474. ' 

 D. flexuosa {]_,.) (Aira flexuosa). Common Hair Grass. 



