94 FARM FRIENDS AND FARM FOES 



OBSERVATIONS FOR PUPILS 

 Squash Bug 



1 . To what extent are these insects troublesome in your locality ? 



2. What plants do they attack ? 



3. What methods are used to kill them ? 



4. Try placing shingles or small boards about the hills to see if the 

 bugs seek their shelter at night. 



5. Make a drawing of the Squash Bug for your insect booklet. 

 Read : — 



The Common Squash Bug, U. S. Bureau of Entomology, Circular 39. 



Harlequin Cabbage Bug 



1. Is this insect common in your region? 



2. What plants have you known it to feed upon? 



3. Have you seen the eggs? Where were they laid? 



4. What remedies have you known to be used against Harlequin 

 Cabbage Bugs ? 



Cicadas or Harvest Flies 



1. Have your ever known an outbreak of the Periodical Cicada? If 

 not, ask your friends about such outbreaks. 



2. Do you know the song of the common cicada? How often do 

 you hear it? Is it more likely to be heard on hot or cool days? Did 

 you ever see one of the cicadas on a tree ? 



3. Read some of these accounts of cicadas : — 



American Insects, pages 166-168. Stories of Insect Life, Second Series, 

 pages 1-5. 



Leaf Hoppers 



1. Look on the under sides of the leaves of trees, shrubs, and herbs 

 to find leaf hoppers. Are they of different sizes and colors? You can 

 get many of them by sweeping grasses and herbage with an insect net 

 or by beating branches over an open inverted umbrella. 



2. You will readily find the earlier stages of the leaf hoppers on many 

 leaves. Are the wings developed ? Can the young hoppers jump like 

 the adults? 



