Insects, etc., Injurious to Currants. 233 



detected by the appearance of a faint white powder. The fact that a 



//. Hammond. 



FIG. 176. SECTION OF BIG BUD, SHOWING COUNTLESS MITES AS A 

 SMALL WHITE BUST. 



(Enlarged.) 



bud is not swollen must not be taken to mean that it is mite free. 

 A few mites may often 

 be found in a normal bud, 

 having just migrated 

 there. Then, as they 

 increase, the bud com- 

 mences to swell. Each 

 diseased bud contains 

 thousands of mites, which 

 are very prolific. Eggs 

 and young are all found 

 mixed up with the adults. 



DESCRIPTION OF THE 

 MITE. 



The mite (Fig. 178) 

 is semi-transparent and 

 shiny, narrowly elongate 

 and cylindrical in shape, 

 in length nearly -j-J-y inch. 

 The body, which is white or pale yellowish-green in colour, is marked 



[If. //. Hammond. 



FIG. 177. SECTION OF BIG BUD, SHOWING DENSE MASS 

 OF MITES. 



(Greatly enlarged.) 



