268 



FUNDAMENTALS OF AGRICULTURE. 



black or black bodies specked with red, known as lady- 

 birds, lady-beetles, or lady-bugs, that belie in every 



particular their 

 appearance and 

 name, for they are 

 truly nothing but 

 cannibals. Yet, 

 since they eat only 

 insects, and espe- 

 cially those that 

 do us the most 



THE MANTIS, OR DEVIL'S HORSE, harm, WC should 

 AND CLUSTER OF EGGS (HER- 1 earn fn k n f> 7 



RICK'S ZOOLOGY). ic am to Know 



them and protect 



them. Both the lady-birds and their young, 

 the larvae, eat plant lice and scale insects, and 

 are of the greatest aid to us in keeping these 

 pests in check. 

 The mantis, or devil's horse, also lives upon other 

 insects, and is one of our best friends. The gray egg 



APHIS-LION. 



a, eggs; b, larva; d, larva eating a plant louse; /, adult enlarged; h, adult natural 

 size. (From Bureau of Entomology, U. S. Department of Agriculture.) 



