88 ARTHROPODS 



(14) What insects in the mature state eat no food? 



(15) What insects build homes for their young? 



(16) What insects show a care for the young in the 

 deposition of eggs? 



(17) What insects abandon their young? 



(18) What insects hibernate in the mature state? 



(19) What insects hibernate in the pupa state? 



(20) What insects spend the winter in the egg? 



(21) What insects spend all their lives above ground? 



(22) What insects spend part of their lives under 

 ground ? 



(23) What insects are injurious in the larval state? 

 (25) What insects are beneficial in the larval state? 



(25) What insects are harmful in the imago state? 



(26) What insects are beneficial in the imago state? 



THE SPIDER 



Epeira sp. 



General Characteristics. — How does this animal dififer 

 most strikingly from the insects ? Observe that there is no 

 line of division between the head and the thorax. This united 

 portion is called the ccphalothorax. How is the abdomen 

 united to the ccphalothorax? What insects have a similar 

 method of union? 



The Cephalothorax. — (i) On the dorsal side of the 

 ccphalothorax find the eyes. Are they simple or compound ? 

 How many? Do you think they are located in the best 

 place? Do you find antennae? Draw dorsal view of the 

 entire spider (X2). 



