PLATE 15 



Fig. 285. Aphis viburnicolens n.sp., third antennal segment. 



Fig. 286. Aphis viburnicolens n.sp., cornicle. 



Fig. 287. Aphis viburnicolens n.sp., cauda. 



Fig. 288. Aphis cerasifoliae (Fitch), head. 



Fig. 289. Aphis cerasifoliae (Fitch), fifth and sixth antennal segments. 



Fig. 290. Aphis cerasifoliae (Fitch), third and fourth antennal segments. 



Fig. 291. Aphis cerasifoliae (Fitch), end of wing. 



Fig. 292. Aphis cerasifoliae (Fitch), side of abdomen showing cauda, cor- 

 nicle, and lateral tubercles on segments one, two, three, four, and seven. 



[208] 



