226 THE INSECTS— ARTHROPODS 



4. Describe the types of insect wings and the uses of each. 



5. What is the relation of insect mouth parts to insect control? 



6. Describe the various ways in which insects protect themselves. 



7. Tell how crickets produce their sounds. 



8. What is the difference in the antennae of male and female moths? What 

 accounts for this difference? 



9. Describe reproduction in the dragonflies. 



10. How do cicadas make their sounds? 



11. Describe the methods used by insects to protect themselves. 



12. What is the function of the flashes of light made by fireflies? 



13. Distinguish between generalized and restricted feeding habits of insects. 



14. One enterprizing entomologist made a recording of the mating call of female 

 mosquitoes. Some have suggested that this could be used as a method of mosquito 

 control. Tell how you think such a recording might be used to destroy mosquitoes. 





