OF THE FARM AND 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 larva3 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 tbe 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 

 several 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- 



Fiff, 68.— PARASITE OF COLORADO-BEETLE ( Uropodu Americana). 

 a, Beetle attacked h\ it, natural size ; b, Mite ; c, penetrating or attacking organs ; 

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



beetle, is given in Prof. Eiley's w^ork, just referred to. 

 The perfect insect is attacked by a mite which occurs in 

 such numbers as to completely cover its victim, and it 



