BUGS, CICADAS, AND TREE-HOPPERS. 167 



Fig. 312. Broad-necked Prionus, a Capricorn Beetle. 

 CHRYSOMELANS AND LADY-BIRDS. 



These are either egg-shaped or hemispherical, and 

 are remarkable for their beautiful colors. The first are 



Fig. 313. Ladder Fig. 314. Cucumber Bee- Fig. 315. Lady- 

 Chrysomelan. tie, a Chrysomelan. Bird. 



blue, green, or golden ; the latter are black, red, or 

 ;^llow, with dark spots. The Lady-Birds devour plant- 

 lice, and are thus of great benefit to the gardener. 



BUGS, CICADAS, AND TREE-HOPPERS, OR 

 HEMIPTERS. 



These insects have a slender, horny beak, which, 

 when not in use, is bent under the body and lies upon 

 the breast. 



CICADAS, OR HARVEST FLIES. 



The Cicadas, or Harvest Flies, have a very large 

 head, large eyes, and three minute eyes on the top of 

 the head, and their wings are large, thin, and very 



