PLATE i 
A leurodicus (. Metaleurodicus) manni 
A. —First instar (larva). 
B. —Antenna of first instar. 
C. —Leg of first instar. 
D. —Second instar (larva). 
E. —Porelike structure and central process on caudal portion of dorsum. 
F. —Third instar (larva). 
G. —Vasiform orifice of third instar. 
H. —Pore and central process of third instar. 
I. —Fourth instar (pupa case). 
J. —Compound pore of a caudal pair of fourth instar. 
K. —Compound pore of fourth instar with wax rods extending from it. 
L. —Compound pore of anterior abdominal pair of fourth instar. 
