340 



LEPIDOPTERA. 



to pupae on the 20th of July. On the 26th of July the- 

 fii'st moth came out and most were out before the 4th of 

 August. I saw the moth at Sandwich as late as the 20th of 

 August. Most of the eggs laid in August do not hatch uutil 

 the following spring. I did succeed in finding two or three 

 larvse in September, but they were rare at that time. The 

 only sure means known of destroying them, is to let water upon 

 the bog for twenty -four hours." 



Another Tortricid larva, which seems to differ generically 

 from the vine worm, in being thicker and having a larger, 

 squarer prothoracic ring, and a less hairy body is called the 

 " Fruit- worm." According to Mr. Fish, these worms appear the 

 fii'st of August and work all through the month. The first signs 

 of their presence are seen in the berries that are attacked turn- 

 ing prematurel}'^ red. Most of them reach their full size before 

 the first of September. In some places where the vines have 



been retarded by be- 

 ing kept under water 

 until the fii'st of June 

 previous (it is com- 

 mon to cover the bogs 

 with water when con- 

 venient), they do not 

 reach their full size until a few weeks later. When fully 

 grown they enter the ground and spin their cocoons within a 

 few inches of the surface. The cocoons are covered with grains 

 of sand and are hardly distinguishable from small lumps of 

 earth. They remain in the ground all winter. I do not know 

 positively the perfect insect, as I have never been able to rear 

 it in-doors. In the spring of 1867 I bred two species of Ich- 

 neumons from these cocoons that had remained in the house 

 over winter," 



The Strawberry leaf- roller (A. fragariae Riley, Fig. 261 ; c, 

 lines showing the dimensions of the moth ; a, larva, natural 

 size ; 5, the head and four succeeding rings of the body ; d, 

 the terminal ring of the abdomen, showing the anal legs) has, 

 according to Riley, recently been doing much injury to straw- 

 berry plants in Illinois and Canada. "It crumples and folds 

 the leaves, feeding on their pulpy substance, and causing them 



