18 



FRUIT JNSE(JTS 



downy woodpecker, nutliateh and chickadee destroy great 

 numbers of the hibc^rnating larvic, under loose flakes of bark. 

 In fact, it requires diligent search to find larvjc towards spring 

 even where empty cocoons are a})undant. Usually a tell- 

 tale hole through the bark flake into the cocoon explains the 

 absence of its occupant (Fig. 15) . These birds are such efficient 

 aids to man in (controlling the codlin-moth that they should 



Vm. 10. — Ai)i)lf' :iii(l |)(':ir fruits with the calyx lobes .still expanded ; the right 

 time ((> make the first spraying for the codlin-nioth. 



b(^ carefully protcucted. During the winter they feed in small 

 flocks, going over the samc^ territory day after day, carefully 

 examining (^v(^ry i^ortion of the bark for insect food. They 

 may \)c inchiced io visit an orchard regularly by tying stri])s 

 of l)eef fat to a few of the branches and the destruction of 

 codlin-moth larva^ will more than i)ay for the trouble involved. 



Means of control. 



When single brooded or when the second generation is only 

 partial, the codlin-moth has not been found a very difficult 



