A SYNOPSIS OF THE APHIDIDAE 



221 



tiliae, Eucallipterus (Aphis, Callip- 



terus), 21, 178. 

 tomentosus, Lachnus, 178. 

 Toxoptera, 129. 



aurantiae, 129. 



aurantii, 129, 179. 

 Trifidaphis, 141. 



radicicola, 141. 

 Tuberolachnus, 45. 



viminalis, 45. 



tujafilinus, Lachnus (Lachneilla), 50. 

 tulipae, Macrosiphum (Siplionophora) , 



71. 

 tulipae, Ehopalosiphum, 85. 



U 



ulmieola, Colopha (Brysocrypta) , 148. 

 uhnifolii, Myzocallis (Callipterus),27. 

 umbellulariae, Hyadaphis, 133. 



Vaeuna, 150. 



dryophila, 150. 



valerianae, Macrosiphum (Nectaro- 

 phora), 71. 



vanduzei, Lachnus, 50. 

 varians, Myzus, 77. 

 vastatrix, Phylloxera, 152. 

 venafuscus, Prociphilus (Pemphigus), 



146. 



virburnicolens, Aphis, 126, 179. 

 viminalis, Aretaphis (Callipterus, Chai- 



tophorus, Thomasia), 34. 

 viminalis, Tuberolachnus (Lachnus) 



(Aphis), 45. 

 vinoae, Myzus, 74. 

 violae, Rhopalosiphum, 86. 

 vitifoliae, Phylloxera, 152. 



W 



woodworthi, Myzocallis, 27. 



X 



xylostei, Siphocoryne, 133. 



yuccae, Aphis, 128. 

 yucoicola, Aphis, 128. 



