66 NATURE-STUBY LESSONS. 



7. How long does the larval state continue ? 



8. When the larvae are transformed what becomes of 

 them? 



The larvae of beetles are frequently called gruis or borers, 



0. The Pupa. 



9. Describe the pupa. 



10. How long does it continue in the pupal stage? 



11. In what respects does the young beetle resemble 

 the full-grown one ? 



12. How long is it before it becomes a fully-developed 

 potato-beetle ? 



13. Contrast the manner of eating of the fully- 

 developed beetle with that of the larva. 



D. The Beetle. 



14. Describe the beetle, its covering, its color and 

 markings. 



15. Point out the different parts of its body and des- 

 cribe the shape of each. 



16. («) How many legs has it ? 



{b) On which part of the body are they situated ? 



17. {a) Describe the head, eyes and jaws. 



(b) Compare its eyes with those of the grass- 

 hopper and the housefly. 



18. Draw the head and eyes. 



19. Describe the legs and feet. 



20. Observe the movements of the beetle and show 

 how the legs are adapted to its walking movements. 



21. Contrast its legs with those of the grasshopper. 



