Bui. 192, U. S. Dept. of Agriculture. 



Plate I. 



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5 



Insect Enemies of Vegetable Crops in Porto Rico. 



Fi ?*, 1 ; — The hemispherical scale (Saissctia hemisphxrica) on eggplant. Fig. 2.—Spartocera 

 batatas: Adult. Greatly enlarged. Fig. Z.—I'hthia picta: Adult male. Much enlarged. 

 j*iG. 4.—Ccrotoina daiticorid*: Beetle. Enlarged. Fig. b.—Ccrotoma clcntironu's: Pale va- 

 riety. Lmarged. (Original.) 



