356 



•boaed of agriculture. 



It feeds, moults and burrows into the ground within a period of 

 eight days. It remains thirteen days in the ground, being 

 most of the time in the pupa state, while the fly lives nine days. 

 The first brood of w^orms appeared May 21st ; the second brood 

 June 25th." Fig. 1 shows the eggs deposited along the under 

 side of the mid-ril)s of the leaf; 2, the holes bored by the very 

 young larvee ; and 3, those eaten by the larger worms. 



Fig. 2, (a, enlarged) represents the worm when fully grown. 



It is then cylindrical, pale green, with a pale green head, with 

 the segment next behind the head, and the third segment from 

 the end of the body, together with the last or anal segment 

 yellow ; the 16 false or abdominal legs are also yellow ; the 

 six thoracic legs are horn-colored. The body is transversely 

 wrinkled, csjjccially on the bade, and is slightly hairy. The 

 eyes are black, and the jaws (mandibles) are black, and on the 

 inner side of the edge reddish. It is about three-quarters of an 

 inch in length. 



Previous to the last moult, however, and before it has gained 

 its full size, preparatory to passing into the adult or winged 

 condition, the body is covered with black tubercles ; from each of 

 which arises a stiff black hair. There is also a supra-anal, or 

 dorsal black patch on the last segment of the body, from which 



