44 A MANUAL OF 



ler or moth. This knows by instinct an appro- 

 priate place to nourish its young, and only in 

 such places does it lay its eggs. The eggs 

 hatch and bring forth worms, or maggots. 

 The honey-bee lays hers within the cells of 

 her hive, and her subjects go forth into the 

 fields and gather nectar for their sustenance. 

 The skipper-fly selects for her breeding ground 

 the crevices of a rich old cheese, and depends 

 upon its strength and substance for support. 

 Should either lack the God-given instinct 

 which enables it to select a congenial spot, its 

 species would become extinct. 



We are now ready for the information that 

 the parent of our little cabbage maggot is none 

 other than one to whom we have already been 

 introduced, the STRIPED FLEA-BEETLE. There- 

 fore, if we would escape the maggot, and 

 through it the club-root, we must, from the 

 beginning, keep our plants free from the 

 attacks of these voracious plant-eaters, the 

 striped flea-beetles. They are very destructive 

 to the young plants of the cabbage family, are 

 known by various names, such as t^^,rn^p-fly, 

 radish-fly, etc., but more properly as Haltica 

 S trio la ta, or flea-beetle. 



There are two species very common in this 



