Tech Series 27, Bureau of Entomology. U. S. Dept. of Agriculture. 



Plate V. 



DiALEURODICUS SILVESTRII. 



Fig. 1.— Pupa case, dorsal view. Fig. 2.— Same, ventral view. Fig. 3. — Vasiform orifice 

 of pupa. Fig. 4. — Leg of pupa. Fig. 5. — Margin of pupa ease. Fig. 6. — Pupa case, 

 showing wax secretion. (Figures redrawn from Leonardi.) 



