INDEX. 



223 



Destraotive Mealy-bug, Natural enemies, 66. 



Touug larva, 64. 

 DiaspinsQ, a subfamily of Coccidse, 14. 



Agencies assisting their distribution, 



43. 

 Couditious favorable to their distribu- 

 tion, 45. 

 Generally present on Orange trees, 42. 

 Growth of the scale, 16. 

 Influence of climate, 46. 

 Larva, 15. 

 Lifo-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. 

 Dysdercus suturellus, 165, 191. 

 Egg-parasite of Katydid, 134. 



Orange Leaf-roller, 153. 

 Elaphidion inerme, 125, 171. 



parallelum, 126, 171. 

 Empretia stimulea, 140. 

 Cocoon, 142. 

 Larva, 141. 

 Moth, 142. 

 Parasite, 142. 

 Encyrtus, 215. 



ai-taceae, 150. 

 flavus, 52, 59. 

 inquisitor, 66. 

 Epitragus tomentosus, 75. 

 Epureea aestiva, 176. 

 Enmeues fraterna, 187. 

 Enpelraus mirabilis, 134. 

 Euphoria sepulchralis, 175. 

 Europs pallipennis, 177. 

 Euthochtha galeator, 163, 192. 

 Exochomus contristatus, 72, 180. 

 Habits, 72. 

 Larva, 72. 

 Experiments with Insecticides, 199. 

 Farlow, 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. 

 Para«it«, 183. 

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



Fruit-eating ant, 177. 

 Fruit Worm, The Mexican, 169. 

 Fnmago 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. 



Appe.aranco in immense numbers, 159. 

 Food-plants, 159. 

 Nature of damage done, 161. 

 Predaceous habits, 190. 

 Hadronotus leptocorisae, 215. 

 Hag-moth caterpillar, 142. 

 Hairy Orange Mite, 83. 



Description, 216. 

 Egg, 83. 

 Toung, 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 TVeb-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 trinebulosa, 216. 

 Hesperobaenus sp., 175. 

 Hippodamia convcrgens, 73, 180. 

 Larva, 73. 

 Parasite, 74. 

 Pupa, 74. 

 Homalotylus obscurus, 74. 



Howard, L. 0., Description of Hymenopterous para- 

 sites, 215,216,217,218. 

 Hymenoptera preying upon Scale-insecta, 70. 



Predatory species, 186. 

 Hymenopterous parasites of Bark-lice, 70. 

 Hyperaspidius coccidivorus, 69, 75. 

 n\-perplatys maculatus, 174. 

 Hypothenemus eruditus, 173. 

 Icerya purchaai, 63, 66. 

 Ichneumon concitator, 148. 

 Ipjurions insects. General habits of, 6. 



Seasons of greatest activity, 9. 

 Shade favorable to their in- 

 crease, 8. 

 lonoxloas ioaeots, 7, 193.. 



