INDEX 



347 



W 



Walking-stick, 58 

 Wasps, 308 

 Water beetles, 174 



boatmen, 141 



bugs, 142 



scorpions, 142 



striders, 144 

 Web-worm moths, 234 

 Wheel bug, 146 

 Whip scorpion, 23 

 Whirligig beetles, 174 

 White ants, 76 



fly, 130 



-marked tussock moth, 230 



pine weevU, 200, 203 



Willow saw fly, 292 



scale, 135 

 Wings, structure of insects', 41 

 Wire worm, 180 

 Wood borers, 185 

 Woolly aphis, 126 



Yellow-fever mosquito, 25"j 

 Yellow jacket, 310 



Zaitha fluminea, 141 



