INDEX— Continued 



Corn Root -louse 38 



Corn Root-worm 31,38 



Cost of Spraying 47, 74 



Cottonwood 56, 58 



Cottonwood, Narrow-leaf 57, 58, 113 



Countv Agents 2, 4 



Cow Pea 63, 66 



Cress 63 



Crickets, Field 3, lb, 67, 109, 110 



Crimson Clover 63 



Crop Rotation, 1, 31, 50, 53, 57, 62, 63, 65 



Crow 51, 54 



Crow Blackbird 51 



( lucumbers 63, 66, 93 



Cultural Methods of Insect Control 31 



Curly-top 8, 24, 60, 61, 124, 125 



( "urrants 86 



Cutworms, 3, 4, 5, 20, 26, 38-48, 87, 



130, 137 



Nature of Injury 38, 39 



Where to Look for the Worms ... 39 



Methods of Control 39, 47 



Cutworm, Alfalfa 41 



Cutworm, Pale Western, 10, 41, 45, 46, 47 



Cutworm, Variegated 8, 22, 47, 48 



Cutworm, Western Army, 8, 10, 



41-45, 40, 47, 88, 136 



D 



Dahlia 86 



Dandelion 63 



Destruct ion of Summer Hosts 117 



Destruction of Weeds 7 1 , 72 



Development of Insects 3, 29, 30 



Differential Hopper 16, 100 



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



Digger-wasp enemy of Cutworms. . 44, 45 



Disc 50, 53 



Discing 31, 40, 50, 53, 103, 104 



Diseases of Insects. . . . 59, 83, 88, 109, 121 



Dock (Rumex) 86 



Duck Hawk 109 



Dwarf Pea Bean 63 



Eelworms 38, 59 



Egg-eating Amara 



Egg Plant 66 



Eggs, Grasshopper 96, 97, 104, 



Eggs of Insects 30 



Elis sexcincta 



Elm 



Empusa aphidis 



Empusa grylli 



Emulsion, Kerosene 33, 1 14, 



Euonymus Sp 



Eutettix strobi 24, 



See note opposite Clover Leaf- 

 Hopper in Appendix 

 Eyes of Insects 



64 



106 



86 



105 



31 



52 



66 



59 



109 



122 



118 



128 



76 



Description 



Egg 



Nymph 



Adult 



Life I Iistory 



Natural Enemies . 



Fanwced 



Feelers of Insects. . . 



121 



121 



121 



121 



121 



121 



6 



29 



Field Crickets 3, 16, 67, 109, 1 10 



Fieldmcn 2, 4 



Fiery Hunter 26, 1 50 



Flea-beetle 7, 16, 29, 91-93, 96 



Nature of Injury 91 



Methods of Control 91 , 92 



Flea-beetle, Banded 16, 92, 93 



Flea-beetle, Potato 16, 93 



Flea-beetle, Three-spotted 16, 93 



Flesh-flies 105 



Flesh-fly parasite of Grasshoppers 16, 105 



Flies 30 



Flies, Chalcis. ..3, 10, 26, 43, 44, 135, 137 



Flies, Flesh 105 



Flies, Ichneumon 3, 10, 20, 43, 83, 135, 136 

 Flics, Lace-winged. .. .3, 26, 1 16, 133, 134 



Flies, Parasitic 52, 81 



Flies, Robber 20, 78 



Flies, Syrphus 20, 59, 116 



Flies, tachina 18, 20, 77, 85, 87 



Flies, Two-winged. . . .20, 29, 30, 1 1 1, 121 



Flour, Low Grade 32, 89 



Food Plants of Insects 32 



Fossores 44 



Fox Tail, Green 63 



French Bug 89 



Fumigants, Soil 65 



Fungi 94 



Fungous Diseases of Insects, 59, 88, 



109, 121, 123 

 Furrow Trap 72, 79, 82 



G 



121 



Fall Plowing 3 1 . 40, 50, 53 



False Chinch Bug... b, 24, 29, 119-121, 123 



Nature of Injury 119 



Methods of Control 120, 121 



Gaillardia pulchella 



Gallwcrm (See Root-knot Nema- 

 tode or Gallworm) 



Garden Beets 63, 110 



Garden Peas 63 



Gas Tar 53 



General Discussion of Insects 29-33 



Giant Thorn-headed Worm 50 



Golden-eye (See Lace-winged Fly) 26, 133 



Golden-glow 115 



Goldenrod 98, 133 



Gooseberry 86 



Gordian Worm 107 



Goshawk 109 



Grain, 5, 8, 38, 39, 45, 50, 53, 79, 



80, 94, 101, 119 



Grapes 86 



Grass 49, 54, 80, 99, 123 



Grasshopper Eggs. 16, 26, 96, 97, 104, 105 

 Grasshoppers, I, 3, 8, 16, 18, 29, 30, 



31, 98-109, 130 



Nature of Injury 101 



Methods of Control 101-104 



151 



