THE LEPIDOPTERA OR BUTTERFLIES AND MOTHS 2Q 



Every boy who has eaten apples has doubtless come 

 across the larvae of the codling moth or else the evidences 

 of its destructive activity upon his apple, although he may 

 not have known that the offending "worm" is the larva 

 of a small, dull-colored moth that lays its eggs at the 

 blossom end of the developing fruit. The young larvae 

 eat their way toward the center of the apple, and when 

 full grown they gnaw a hole to the surface and escape; 



FIG. 22. Codling moth, a, apple showing work of larva which enters 

 at the blossom end b, where the egg is laid and finally eats its way to 

 the outside; e, larva; d, pupa; i, cocoon; /and g, mature moths. (After 

 Riley.) 



then they crawl into some protected nook to pass through 

 the pupa stage. The moths emerge in about two weeks 

 and deposit eggs in other apples. The second crop of 

 larvae usually pass the winter in the apples and come out 

 as moths the next spring. By spraying the young fruit 

 with insecticides, and putting bands of cloth around the 

 trees so as to catch and destroy the first brood of larvae as 

 they travel down to pupate in the ground, and by destroy- 



