THE POT-HERB MOTH. 125 



The caterpillar of tHis Moth feeds upon a 

 variety of plants, both in the wild and cultivated 

 state. In the fields it may be found upon the 

 elm, the nettle, the dock, and other plants, 

 while in the gardens it takes a fancy to lettuces, 

 cabbages, and broccoli, especially preferring the 

 last-mentioned vegetable, and often does great 

 damage among them, concealing itself just below 

 the surface of the ground. On account of this 

 predilection for garden herbs, it is sometimes 

 called the Pot-herb Moth. 



The perfect insect appears at the beginning of 

 summer. 



Another species of this genus, the Broom 

 Moth {Hadena pisi), is shown in the accompany- 

 ing illustration. 



Broom Moth. 



This Moth derives its name from the fact that 

 the caterpillar generally lives on the broom, 

 though it also feeds on other papUionaceouG 

 plants, such as the pea and the vetch, and so 



