320 FARM AND SCHOOL PROBLEMS. 



4. Description of the young. 



5. Growth, habits, and food. 



6. What becomes of adults. 



Illustrate stories with drawings. 



Name and describe different parts of the grasshopper. 

 Make collection of different kinds. 



The Hemiotera or Half-winged insects are also called The 

 True Bugs. Among the most obnoxious are : 



The Squash Bug. The Leaf Hooper. Ants. 



The Chinch Bug. The Jumping Plant Periodical Cicada. (17 



The Harlequin Cabbage Lice. year locusts). 



Bug. The Aphides or plant The San Jose Scale. 



The Harvest Fly. Lice. The Oyster-shell Scale. 



Secure bulletins if possible treating of these insects and 

 study methods of exterminating these pests. (See spray calen- 

 dar). 



The Diptera or Two-winged Flies are the most abundant of 

 all insects. A short list of some of the most important are given 

 for observation and study. 



The transformation is complete but they differ from butter- 

 flies in that the larvae are commonly known as footless maggots. 



Among the most troublesome and destructive to cultivated 

 crops are : 



The Hessian Fly. Crane Flies. Orange Fruit Fly. 



The Wheat Midge. Root Maggot Fly. 



The Beetles. 



The order Coleoptera or sheath-winged insects have a hard- 

 ened outer surface of the whole body. The larvae are grubs. 

 These grubs vary greatly in form and habits. 



Beetles feed upon plant tissues or upon animals alive or 

 dead. 



Among the plant feeding group are some very troublesome 

 and injurious varieties. 



Among the animal- feeding forms are some very beneficial 

 insects. 



