OF THE FARM AOT GARDEN. 



101 



the larvae of several .Lady-birds, or Lady-bugs, the per- 

 fect beetles being red, pink, or other bright color, with 

 black spots, and generally well known by the above pop- 

 ular names. Their larvae are very active and 

 do good service in destroying both the eggs 

 and the larvae of the Potato-beetle. Their 

 pupae often resemble the larva of the Colorado- 

 beetle, and are destroyed by mistake. Figure 

 67 shows one of these larvae; the hair line 

 gives the real size. Besides these, there are 

 severa l carnivorous beetles, the Tiger-beetles, 

 and Ground-beetles, which prey upon both 

 the larvae and the perfect insect. A full account 

 of the various insects that prey upon the Colorado- 



\ 



. 68. PARASITE OP COLORADO-BEETLE (Uropoda Americana). 



a, Beetle attacked by it, natural size ; ft, Mite; c, penetrating or attacking organs; 

 d, Claw at the end of attacking organs ; e, Filament all much enlarged. 



beetle, is given in Prof. Riley's work, just referred to. 

 The perfect insect is attacked by a mite which occurs in 

 such numbers as to completely cover its victim,, and it 



