I08 INJURIOUS INSECTS. 



twentieth of an inch long, and are usually deposited 

 in two parallel rows of about half a dozen each. 

 The eggs hatch on the third or fourth day after lay- 

 ing, and the young bugs go through all their molts 

 and are ready for reproduction in about two weeks. 

 There are many generations in the course of the 

 summer. On the advent of winter the adult insects 

 crawl away. under any kind of rubbish to hibernate, 

 reappearing in the spring and flying to the first cru- 

 ciferous plants which come from the ground. 



According to Professor H. E. Weed of the 

 Mississippi experiment station, there is but one efiS- 



/ 9 



Fig. i8— Harlequin Cabbage Bug. 



cient remedy for this insect, which is to destroy the 

 brood that lives over winter when they congregate 

 upon mustard and radish plants. Here they can be 

 destroyed very easily by the application of kerosene 

 by means of a common water bucket or sprinkler. 

 If the insects are thus destroyed early in the season 

 it will wholly prevent injury later. The mustard or 

 radishes should be planted in the cabbage field. The 

 bugs will congregate on these plants, and may be 

 killed by applying kerosene, as mentioned. The 



