AGRICULTURAL EXPERIMENT STATION. 



185. 



F[G. 34. 



The female scale, is shown (Fig. 34, c ) enlarged. The real size- 

 is about one-twelfth of an inch and the color whitish or light gray. 



The male scale (Fig 34, b.) is about one twenty-fifth of au inch 

 long and white with a tinge of yellow. 



The winged mal« is shown (Fig 34, a.) highly magnified. It is- 

 yellow, mottled with reddish brown and has transparent wings. 



REMEDY. 



Wash the stems and leaves with whale-oil soap and water or by 

 means of a sponge apply occasionally a thin coating of kerosene or 

 swet*^ oil to the leaves and stems. 



