INJURING THE LEAVES. 



199 



garden, and collecting in the morning, the worms 

 that will congregate beneath them during the night, 

 (3). Digging out the worms where plants have been 

 cut off. This is practicable in most gardens, and is 

 well worth doing, thus preventing further damage. 



The Harlequin Cabbage-bug. 



Murgantia h istrionica. 

 The injuries of this insect were first noticed in 

 Texas and other states at the far South, but it has 

 gradually spread northward, especially along the 

 Atlantic coast, until now it is seriously injurious as 

 far north as Delaware. It feeds upon a variety of 

 cruciferous plants, including cabbage, radish, mus- 

 tard, turnip, etc. The insect " derives its name from 

 the gay, theatrical, harlequindike manner in which 

 the black and orange-yellow colors are arranged upon 

 its body " (Fig. 106, a, b, f, g). According to Dr. G. 



Lincecum, in Texas, 

 " the perfect insect 

 lives through the 

 winter, and is ready 

 to deposit its eggs as 

 early as the loth of 

 Marcli, or sooner if 

 it finds any cruci- 

 form plant large 

 enough. They set 

 their eggs (c, d, c) on 

 end in two rows, ce- 

 mented together, mostly on the under side of the 



Fit;. 106. Harlequin Cabbage-bug: ». i>. 

 aymphs; c, eggs; /, adult; g, adult 

 with wings extended— all natural size; 

 </, eggs, side view; e, eggs, view from 

 above,— d, e, enlarged. 



