SUCKING INSECTS. 



179 



it was first observed in the West of England, in 

 1819, in the nursery gardens of Messrs. Millar and 

 Sweet, near Bristol, introduced, as was supposed, 

 by some imported plant*. Salisbury, on the other 

 hand, says, " I have from good authority heard that 

 it was brought to this country from France in the 

 reign of Louis XIV., when a colony of refugees 

 settled at Paddington, and there it was first ob- 

 served to begin its depredations on the apple-trees. 



b 



Enosoma malL a, b, the insects magnified.' r, an infected apple branch 

 * Journal of a Naturalist, p. 341 ; Note, 



