Tech. Series 27, Bureau of Entomology, U. S. Dept. of Agriculture. 
Plate III. 
Central Process 
Outer C up 
SpINNEF(ETS 
Pj\FlONYCHlUM 
ro^M Orifice Cl/±W 
CoNipouiTiJ Wax Por^rs 
p/^onychium 
Claw 
VrZr\TEX 
FPtONS I 
Diagrams of Aleyrodid Structures. 
Fig. 1.— Pupa case. Fig. 2.— Compound wax pore. Fig. 3.— Foot of subfamily Aleyrodina?. Fig. 4.- 
Foot of subfamily Aleurodicinae. Fig. 5.— Head. Fig. 6.— Vasiform orifice. (Original.) 
