INDEX. 



223 



Destructive Mealy-bug, Natural enemies, 66. 



Young larva, 64. 

 DiaspinoB, a subfamily of Coccid, 14. 



Agencies assisting their distribution, 



43. 



Conditions favorable to their distribu- 

 tion, 45. 



Generally present on Orange trees, 42. 

 Growth of the scale, 16. 

 Influence of climate, 46. 

 Larva, 15. 

 Life-history, 15. 

 Male and its development, 17. 

 Natural checks, 47. 

 Nature of the scale covering, 18. 

 Ravages, 42. 



Usual course of the pest, 45. 

 Dichelia sulphureana, 154. 

 Die-back, 1. 

 Dropping of fruit, 5. 

 Dusky- winged Aphis-fly, 184. 



Chrysalis, 184. 

 Imago, 184. 

 Larva, 184. 



Dysdercns suturellus, 165, 191. 

 Egg-parasite of Katydid, 134. 



Orange Leaf-roller, 153. 

 Elaphidion inenne, 125, 171. 



parallelum, 126, 171. 

 Empretia stimnlea, 140. 

 Cocoon, 142. 

 Larva, 141. 

 Moth, 142. 

 Parasite, 142. 

 Encyrtus, 215. 



artacece, 150. 

 flavus, 52, 59. 

 inquisitor, 66. 

 Epitragus tomentosus, 75. 

 Epurasa aestiva, 176. 

 Enmenes fraterna, 187. 

 Eupelmns mirabilis, 134. 

 Euphoria sepulchralis, 175. 

 Europs pallipennis, 177. 

 Euthochtha galeator, 163, 192. 

 Exochomus contristatns, 72, 180. 

 Habits, 72. 

 Larva, 72. 



Experiments with Insecticides, 199. 

 Fallow, Dr. W. G., on Orange smut, 4. 

 Flat-headed Borer of the Orange, 171. 

 Beetle, 172. 



Gallery made by the larva, 171. 

 Habits and life-history, 172. 

 Larva, 172. 

 Pupa cell, 171. 

 Foot-rot of the Orange, 3. 



Remedies, 3. 

 Forest trees affording protection against Scale- 



insects, 88. 

 Four-spotted Aphis-fly, 183. 



Chrysalis, 183. 

 Egg, 183. 

 Imago, 183. 

 Larva, 183. 

 Parasite, 183. 

 Franklin, James, on Green Soldier-bug, 160. 



Fruit-eating ant, 177. 

 Fruit Worm, The Mexican, 169. 

 Fumago salicina, 4. 

 Fungus diseases of the Orange, 1. 

 Bark- fungus, 2. 

 Die-back, 1. 

 Foot-rot, 3. 

 Smut, 3. 



Fur, A band of, as a barrier for ants, 131. 

 Glover's Orange Mite, 82. 



Changes in shape of body, 82. 

 Eggs, 82. 



Goniozus hubbardi, 153, 217. 

 Gossamer spiders transporting Scale-insects, 44. 

 Gossyparia mannipara, 13. 

 Grasshoppers injuring the Orange, 9, 135. 

 Grass-worm, 150. 

 Green Soldier-bug, 159, 190. 



Appearance in immense numbers, 159. 

 Food-plants, 159. 

 Nature of damage done, 161. 

 Predaceous habits, 190. 

 Hadronotns leptocorisse, 215. 

 Hag-moth caterpillar, 142. 

 Hairy Orange Mite, 83. 



Description, 216. 

 Egg, 83. 

 Young, 83. 



Hedges as a protection against Scale-insects, 88 

 Hemerobius feeding on Scale-insects, 81. 



Larva, 81. 



Hemiptera injurious to the Orange, 157. 

 Predatory species, 78, 190. 

 Preying upon Scale-insects, 78, 79. 

 Hemipteron associated with Orange "Web-worm, 



79, 156. 

 Hemispherical Scale, 55. 



Adult female, 55. 

 Egg, 56. 

 Food-plants, 56. 

 Geographical distribution, 56. 

 Locomotive power, 56. 

 Young larva, 56. 

 Hemiteles thyridopterygis, 146, 147. 



sp., 215.. 



Hermannia trinebnlosa, 216. 

 Jlesperobaenus sp., 175. 

 Hippodamia convergens, 73, 180. 

 Larva, 73. 

 Parasite, 74. 

 Pupa, 74. 



Homalotylus obscurus, 74. 



Howard, L. O., Description of Hymenopterous para- 

 sites, 215, 216, 217, 218. 

 Hymenoptera preying upon Scale-insects, 70. 



Predatory species, 186. 

 Hymenopterous parasites of Bark-lice, 70. 

 Hyperaspidius coccidivorus, 69, 75. 

 Hyperplatys maculatus, 174 . 

 Hypothenemus eruditus, 173. 

 Icerya purchasi, 63, 66. 

 Ichneumon concitator, 148. 

 Injurious insects, General habits of, 6. 



Seasons of greatest activity, 9. 

 Shade favorable to their in* 



crease, 8. 

 Innoxious insects, 7, 193.. 



