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



Plate XVII. 



Fig. 1.— Pup/e of Aleurodicus dugesii on Leaf, Showing Waxy Secretion. 



iOriginal. I 



Fig. 2.— Pup>e of Aleurodicus guppyii on Leaf, Showing Waxy Secretion. 



(Original.) 



