CONTENTS 



Page 



How insects develop and feed 1 



General plant pests 2 



Cutworms 2 



Army worms 3 



Cabbage looper 3 



Yellow woolly bear 3 



Horn worms 4 



Greenhouse leaf tier 5 



Poisonous caterpillars 5 



Cucumber beetles 7 



Blister beetles 7 



Flea beetles 8 



Grasshoppers and crickets. _ 9 



Aphids, or plant lice 9 



Leafhoppers 10 



Red spiders, or spider mites_ 11 



Ants 12 



Termites 13 



White grubs 14 



Wire worms 15 



Slugs and snails 16 



Sowbugs, or pillbugs 17 



Millipedes or "thousand- 

 legged worms" 17 



Earthworms 18 



Insects attacking specific plants. 18 



Ageratum 18 



Arborvitae 19 



Aster 20 



Azalea 22 



Barberry 24 



Boxwood 24 



Calendula 25 



Camellia 26 



Canna 26 



Chrysanthemum 27 



Clematis 30 



Coleus 31 



Columbine 32 



Cosmos 34 



Dahlia 34 



Delphinium 38 



Dogwood 39 



Euonvmus 41 



Ferns 42 



Gaillardia 43 



Gardenia 43 



Geranium 44 



Gladiolus 45 



Goldenglow 46 



Hawthorn 46 



Hibiscus 48 



Holly 49 



Hollyhock 50 



Honeysuckle 51 



Page 

 Insects attacking specific plants — 

 Continued 



Hydrangea 52 



Iris 52 



Ivy 54 



Juniper 55 



Lilac 56 



Marigold 58 



Morning-glory 59 



Mountain-laurel 60 



Narcissus 60 



Nasturtium 63 



Palms 64 



Pansv 65 



Peony 66 



Petunia 67 



Phlox 67 



Pine 68 



Pittosporum 71 



Privet 72 



Rhododendron 73 



Rose 74 



Salvia 83 



Snapdragon 83 



Spirea 83 



Spruce 84 



Sweet pea 87 



Tulip 87 



Verbena 88 



Viburnum 90 



Violet 91 



Virginia creeper 91 



Waterlily 92 



Yew, or Taxus 93 



Yucca 94 



Zinnia 94 



Insecticides 94 



Stomach poisons 95 



Contact insecticides 97 



Spreaders, wetters, and - 



stickers 103 



Fumigants 103 



Table of measures 104 



Where insecticides may be pur- 

 chased 104 



When and how to apply insecti- 

 cides 104 



Quantity of sprays or dusts to 



apply 105 



Spraying and dusting equip- 

 ment 106 



Spravers 106 



Dusters 108 



Appendix (DDT-Insecticides)___ 110 



Index 111 



in 



