148 PLANTING IN UGANDA 



them. It is not so easy to tell exactly when this 

 should be done, as the point of entry is not very 

 readily discovered. The hole made by the insect 

 in emergency is much larger and more easily seen. 

 Generally only one bean in the berry is affected by 

 the grub, and the machinery used in the prepara- 

 tion of the Coffee picks out beans so affected, so 

 that an infested crop suffers only in quantity, not 

 in quality. It is our belief that this pest will not 

 prove continuously abundant, but will be common 

 in some years, and scarce in others. We know of 

 an estate where it caused considerable alarm some 

 years ago, and from which it has entirely dis- 

 appeared since. We have noticed that shaded 

 Coffee is more susceptible to attack than unshaded. 

 In fact, we have seen unshaded Coffee entirely 

 escape, whilst a few yards away, shaded trees 

 were badly infested. It would be of great interest 

 to learn if the beetle is a shade-loving insect. 



Green Fly, or Aphis. This pest occasionally 

 attacks the growing shoots of Cocoa. Spraying 

 with whale oil soap solution is an effective remedy. 



Nocturnal Crickets. The habit of these insects 

 is to cut off young plants close to the ground, and 

 carry off the young leaves to their burrow in the 



