Insects Injurious to the Apple. 



143 



any patches with methylated sinrit, and yet they send out iidected 

 stock. The reason is obvions : they eitlier (hi not \ivm of discard 

 the presence tif &hl:oiiniiy( /unli/irn on the riMjts. Tlie complete life- 

 history of tliis a]iple enemy is well known, hut this knowledge is m>z 

 sufficiently widespread to bear any fruitful results. 



So numerous have been inquiries concerning this pjest during the 

 last tew years, tliat it is thought tliat a somewhat fuller account 

 tlian usual of its life-history should 1ie given here, togetlier Avitii an 

 account of some recent experiments carried out in connection ^\-itli its 

 prevention and treatment. 



The area over which it occurs may be but briefly mentioned; 



|.l. r. /;. Uiutoiil. 



'I.I.V Anns UN THE .SUOKKKS ANlt SIIOuT.S "V AN 

 lil.JI APri.E TREE. 



enougli to say that wlierever apples are grown, the blight also is 

 found. 



At one time it seemed to be mainly prevalent in the old west- 

 country orchards in Britain, especially amongst the somewhat ill-]<ept 

 cider apples. Now we find it just as bad iir young plantations of tlie 

 Ijest varieties all over the country. 



It is perliaps most abundant in Worcestershire, and in the l)evon 

 orchards, but in all other centres it is an important and increasing 

 enemy. It lias iieen I'eported to me, or observed in all parts of Kent. 



