302 LIST OF HOMOPTEROUS INSECTS. 



Pemphigus American us, Cat. Horn. p. 1057. 



Enosoraa Pyri ? Fitch, Fourth Report of the New York State 



Cabinet of Nat. Hist. (1851) 68. 

 Pemphigus Pyri ? Fitch, Report Insects, New York, 155. 



Pemphigus Cary^cantis. 

 Pemphigus Carysecantis, Fitch, Report Insects, New York, 155. 

 New York. 



Genus THECABIUS. 

 Theeabius, Koch, PJianzenl. 294. 



1. Thecabius Populneus. 

 Theeabius populneus, Koch, PJianzenl. 295, 1, pi. 51, f. 364. 



Genus TYCHEA. 



Tychea, Koch, PJianzenl. 296. 

 Pemphigus, p. ? Cat. Horn. 1055. 



1. Tychea geamtnis. 



Tychea graminis, Koch, Pfianzenl. 298, 1, pi. 51, f. 365, 366. 

 Pemphigus Ranunculi? Cat. Horn. 1055. 



2. Tychea Amycli. 



Tychea Amycli, Koch, PJianzenl. 300, 2, pi. 51, f. 367. 



Genus AMYCLA. 

 Amycla, Koch^ PJianzenl. 301. 



1. Amycla fuscifrons. 

 Amycla fuscifrons, Koch, PJlanzeril. 301, 1, pi. 52, f. 368—370. 

 On the roots of Avena saliva. 



