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is the white bug, described by a foreign na- 

 turahst under the name of apliis lanata, or 

 American blight which has found means, 

 within a few years, of extending itself 

 all over the kingdom, and is every season 

 gaining ground. Various are tiic opinions 

 respecting this insect, both as to its nature 

 as well as its production. I have long con- 

 sidered it to be the same insect that has 

 of late years infested the poplars and the 

 larch, and have lately been borne out 

 in my opinion, as it has left the a])ple-trees 

 and begun to make ravages on the plum, 

 and also on a species of the ranunculus 

 which libund growing close to somea})ple- 

 trees in the neighbourhood of Worcester. 

 As I have for some years past paid parti- 

 cular attention to this insect I shall give a 

 detail of its history as it has occurred to 

 me, which may probably stimulate some 

 person to discover a remedy for its dread- 

 ful ravages. It docs not appear to hatch at 

 any particular season, but all the while 

 the weather is open it continues its work 

 of reproduction ; the eggs (which are ex- 

 tremely minute, and must be observed 



