EXERCISE No. 93 

 COLLECTING INSECTS 



Object: To learn the habits of the common insects. 



Material: The fields, an insect net, and a potassium 

 cyanide jar. 



Method : A field trip studying the insects in their natural 

 habitat. Look for their homes and see if you can learn 

 how they spend their winter. Use the potassium jar to pre- 

 serve any insects for further study. 



Conclusion: Which insects found get their living by 

 biting and which ones by sucking? 



How are each controlled? What 



crops are being destroyed by the different insects found on 



the trip? About what per cent of 



the crops are being destroyed by insects? 



13C 



