THE EARTH'S BOUNTY 



gus disease. It gains access to the tree through 

 a wound. As it spreads, the bark is liable to 

 crack completely round a limb, especially on 

 young trees. The coddling moth is about half 

 an inch across the wings, flies at twilight and 

 night, lays its eggs on the surface of the apple, 

 in the calyx, and on the leaves; and when they 

 hatch, the minute caterpillar eats its way into 

 the apple, burrows rownd the core while grow- 

 ing to its full size of three-quarters of an inch, 

 when it eats its way through some portion of 

 the fruit. There are usually two broods each 

 season, the second brood wintering in the fruit. 

 That is one of the reasons why the droppings 

 should be removed, instead of being allowed to 

 rot on the ground. The curculio is a small 

 beetle which bores into the fruit to eat, and 

 often lays its eggs, which hatch, and work to 

 the core. The apple maggot is a small black 

 fly that also bores and lays eggs that hatch and 

 devour pulp just beneath the skin of the fruit. 

 There are many more destructive larvae and 

 fungus diseases to combat, but as the same 



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