PLATE X. 
A. — Gobaishia pallida, antenna of alate form. 
B. — Gobaishia pallida, antenna of stem mother. 
C. — Gobaishia pallida, wings. 
B. — Gobaishia pallida, abdomen of alate form showing cornicle. 
E. — Gobaishia pallida, fore wing. 
F. — Gobaishia pallida, abdomen of pupa. 
G. — Gobaishia pallida, distal segment of antenna of alate form from above. 
H. — Tetraneura ulmifoliae, antenna of alate form. 
I. — Tetraneura ulmifoliae, antenna of stem mother. 
J. — Tetraneura ulmifoliae, antenna of apterous form. 
K. — Tetraneura ulmifoliae, wings. 
L. — Tetraneura ulmifoliae, wings showing tracheae. 
M. — Tetraneura ulmifoliae, cauda and anal plate. 
N. — Cornaphis populi, stem mother. 
0. — Cornaphis populi, antenna of stem mother. 
P. — Cornaphis populi, wings. 
Q. — Cornaphis populi, cornicle of alate form. 
R. — Cornaphis populi, antenna of alate form. 
S. — Cornaphis populi, fore wing. 
T. — Cornaphis populi, head showing horn. 
U. — Dryopeia bella, apterous form. 
V. — Dryopeia bella, wings. 
W. — Dryopeia bella, antenna of apterous form. 
X. — Dryopeia bella, antenna of alate form. 
Y. — Dryopeia bella, cornicle of apterous form. 
10S 
