39 
3 
EXPLANATION OF PLATE XVI. 
Macrosiphoniella sanborni (Gillette), p. 164. 
(=Macrosiphum sanborni (Gillette), D 168) | 
'1.— Apterous viviparous female. 
2.—Rostrum of apterous female. Er 
3.—Basal part of antenna of apterous female. : 
4.—Distal part of antenna of apterous female. Be 
5.—Hind end of apterous female showing the cauda and cornicles. c. 
cauda and cornicles; a. p. = anal plate: g. p. genital plate. 
6.—Alate viviparous female. — unes 
7.—Antenna of alate female. | 
8.—Wings of alate female. 
