INDEX Concluded 



w 



Waahoo (or Wahoo) 118 



Wasps 3, 29, 30, 44, 45, 134, 135 



Digger-wasp. . . .20, 43, 44, 45, 134, 136 



Solitary Wasp 20, 77, 78, 135 



Spider-wasp 134 



Thread-waisted Wasp 134, 135 



Watermelon 66, 86 



Webworm, Alfalfa (See Alfalfa Web- 

 worm) 



Webworm, Sugar Beet (See Sugar 

 Beet Webworm) 



Weeds 5,6, 71, 72,89,91 



Western Army Cutworm, 8, 10, 



41-45, 46, 47, 88, 136 



Description 41 , 42 



Worm 41 



Pupa 41 



Moth 41,42 



Life History 42, 43 



Natural Enemies 43-45 



Western Beet Leaf-beetle 22, 90, 91 



Description -90 



Nature of Injury . . . . 90 



Methods of Control 91 



Western Blight 124 



Whale Oil Soap 33, 114, 120 



Wheat 63, 65, 66 



"Whiskered Beets" 61, 124 



White Ash 112 



White Clover 63 



White Grubs, 3, 5, 10, 31, 38, 48-52, 



53 54, 97, 134 



Nature of Injury 



Methods of Control 



Life History 



Natural Enemies 



White Pigweed 



49, 50 

 50 

 51 



51, 52 

 111 



Why Growers do not Spray 73, 74 



Willow 50 



Winged Lice 57, 58 



Wings of Insects 29 



Winter Spraying 117 



Winthemia Sp 81 



Wireworm 3, 5, 10, 31, 38, 50, 52-54 



Nature of Injury 52 53 



Methods of Control 53 



Description 53, 54 



Worm 53 



Pupa 54 



Beetle 54 



Life History 54 



Natural Enemies 54 



Woodpecker, Red-headed 108 



Worms 30, 41, 43, 44, 45, 46, 47, 48 



Yellow-bear Caterpillar 8, 18, 86, 87 



Nature of Injury 



Methods of Control. 

 Description 



Egg 



Caterpillar 



Pupa 



Moth 



Life History 



Natural Enemies 



Yellow Jacket 



Yellow Lupine 



86 

 87 

 87 

 87 

 87 

 87 

 87 

 87 

 135 

 63 



Zebra Caterpillar 8, 14, 87, 88 



Nature of Injury 

 Methods of Control 

 Description 



Egg 



Caterpillar.... 



Moth I 



Life History 



Natural Enemies... 



157 



