INSECTS INJURIOUS 



TO 



OECHARD AND BUSH FRUITS. 



APPLE. 



American Blight (Woolly Aphis). 



Schizoneura laiiigem , HaiUsni. 



Woolly Aphis ; infested Apple spray, nat. size ; wingless viviparous female 

 and young clothed with cottony tibres above, and small egg-bearing female 

 beneath the spray ; pupa with little cottony growth ; all magnified.* 



The attack of the Woolly Apple Aphis, commonly known 

 as " American Blight," may be taken as an example of 

 orchard infestation which is exceedingly common, very in- 

 jurious by destroying the health of the tree, and yet at the 



* The above figures are acknowledged, with thanks, as after 1 and 3, PlateCV., 

 and 2 and 5, Plate CVL, in 'Brit. Aphides,' vol. iii., by G. B. Buckton, F.K.S. 

 The size of the wingless viviparous female is given (p. 89 of same volume) as 

 1-77 X 1-39 millimetres, that is, something under a twelfth of an inch in length 

 by rather less in breadth. — E. A. 0. 



B 



