INDEX— Continued 



Grasshoppers — Continued 



Eggs 16, 96, 97, 104, 105 



Life History 104, 105 



Natural Enemies 105-109 



Diseases of 109 



Great Horned Owl 108, 109 



Green-berried Nightshade 94 



Green Fox Tail 63 



Green Peach-aphis 24, 116, 117, 118 



Nature of Injury 116 



Methods of Control 116 



Description 116 



Stem-mother 116 



Winged Lice 116, 117 



Wingless Lice lib, 117 



Females 117 



Males 117 



Eggs 117 



Life History 116, 117 



Ground Beetles, 26, 43, 54, 81, 105, 



108, 130 

 See : Bombardier-beetle 

 Egg-eating Amara 

 Fiery Hunter 



Ground Squirrel 108 



Grubs 30,31, 38,43,45,48, 50,97 



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



53, 54,97, 134 



Gyrfalcon 109 



H 



Hair Snake 1 07 



Hair Worm 16, 107, 108 



Hand Picking 117, 120, 122 



Hand Sprayer 3b 



Harrow 50, 53 



Harrowing 31, 103, 104 



Harvestmen 106 



Hawk 108, 109 



Hawk, Sharp-shinned 109 



Hawk, Sparrow 109 



Hawk, Swainson's 109 



Head of Insects 29 



Heart of Insects 46 



Helianthus 86 



Hemiptera 119 



Hemp 63 



Heterodera schachtii 59 



Heleroptera 119 



Hibernation of Insects 32 



Hippodamia convergens 132 



Hogs, Pasturing with 50 



Hollyhock 8b 



Home-made Sprayer 37 



Honey Dew 114 



Hopper Dozer 99, 102, 103 



Hops 63 



Horseradish 65, 66 



Horse Bean 119 



"Hunger Roots" 61 



Hyacinth 8b 



Hymenoptera 137 



I 



Ichneumon-fly 3, 43, 83, 135, 13b 



Ichneumon-fly parasite of Alfalfa 



Looper 20, 83, 13b 



Ichneumon-fly parasite of Western 



Army Cutworm 10, 43, 13b 



Identification of Insects 1,2 



Index 2, 3, 149-157 



Insects 1, 3, 29-33 



Abdomen of 29, 30, 43, 4b, 104 



Adult 29, 30 



Antennae of 29 



Beneficial Insects 3, 2b, 129-137 



Parasitic 3, 43, 52, 135-137 



Predacious 3, 43, 52, 130-135 



Biting 1, 3, 29, 31, 32 



Biting Leaf Feeders 3, 67 



Biting Root Feeders 3, 38 



Breathing of 29 



Classification of 3, 3 1 



Control of 31-33 



Control of Biting Insects 32, 33 



Control of Sucking Insects 33 



Development of 3, 29, 30 



Diseases of 59, 83, 88, 109, 121 



Eggs of. 30, 3 1 



Eyes of 76 



Feelers of 29 



Food Plants of 32 



General Discussion of 29-33 



Head of 29 



Heart of 46 



Hibernation of 32 



Identification of 1,2 



Integument of 30 



Jaws of 29, 31 



Larvae of 29, 30 



Leaf-eating 79 



Leaf Feeders 3, 3 1 , 67, 111 



Biting 3, 67 



Sucking 3,111 



Legs of 29 



Metamorphosis of 29, 30 



Methods of Control of 3, 31-33 



Artificial 31, 32, 33 



Cultural 31, 32 



Natural 31 



Molting of 30 



Mouth Parts of 29, 30, 3 1 



Natural Enemies of, 31, 43, 44, 

 45, 46, 51, 52, 54, 59, 77, 78, 

 81, 83, 84, 85, 87, 88, 105, 106, 

 107, 108, 109, 115, lib, 121, 



123, 129-137 



Parasitic Insects (Beneficial), 3, 



43, 52, 135-137 



Predacious Insects (Beneficial), 3, 



43, 52, 130-135 



Proboscis of 29, 76 



Prolegs of 29 



"Props" of 29 



Pupa of 30 



152 



