226 



INDEX. 



Psocas venosus, 193. 

 Psyche confederata, 148. 



Unknown species, 148. 

 Purple Scale, 26, 42, 75. 

 Egg, 26. 

 Female, 26. 

 Life-history, 27. 

 Male, 26. 



Origin and spread, 27. 

 Parasites, 27. 

 Scale of female, 26. 



male, 26. 

 Young larva, 27. 

 Pyrethruni as a remedy for ants, 130. 



Rust-mite, 11H 

 White ants, 124. 

 Rapacious Soldier-bug, 191. 

 Baphigaster hilaris, 159, 163, 164,190,192. 

 Bed Bug (see Cotton Stainer). 

 Bed Scale of California, 32. 



Distribution, 34. 

 Formation of Scale, 34. 

 Scale of female, 33. 



male, 33. 

 Bed Scale of Florida, 28, 86. 



Development, 28. 

 Introduction, 86. 



Number of annual generations, 32. 

 Origin and distribution, 32. 

 Scales of male and female, 28. 

 Winged male, 28. 

 Young larva, 29. 

 Bhinacloa sp., 215. 



Bhizoglyphus preying upon Scale-insects, 84, 216. 

 Biley, Prof. C. V., descriptions of mites, 216. 



on coition of bag worms, 214. 

 Bomalea microptera, 135. 

 Buddy Aphis-fly, 184. 

 Bust of the fig, 105. 



Orange, 105. 



Discoloration of the fruit, 105. 

 not influenced by soil and cultiva- 

 tion, 113. 



preventive measures, 114. 

 remedies, 113. 

 the rust-mite its cause, 106. 

 rings of rust on the fruit, 110. 

 rusty oranges superior to bright 



fruit, 112. 

 Bust-mite of the Orange, 107. 



Confined to the Citrus family, 112. 

 Description of the eggs, 108. 

 mite, 107. 

 Distribution, 113. 

 Effect of attacks upon the foliage, 11?. 



fruit, 107, 110. 

 Food, 109. 



Influence of weather, 111. 

 Life-history, 108. 

 Modes of spreading, 111. 

 Numerical abundance, 109. 

 Periods of increase, 113. 

 Preference for half shade, 110. 

 Bapidity in development, 115. 

 Transported by birds and spiders, 111. 

 Uncertainty as to its origin, 113. 



Bust-mite of the Orange. 



Wandering habits, 107, 109. 

 Sacium, 175. 



Saddle-back Caterpillar, 141. 

 Sap-beetles, 175. 

 Sap-feeding insects, 175. 

 Sawyers, 121, 125. 



Scale-devouring Hyperaspidius, 75. 

 Habits, 75. 

 Larva, 75. 

 Pupa, 75. 

 Scale-eating Tineid,77. 



Earlier states, 78. 

 Habits of larva, 77. 

 Moth, 78. 



Number of broods, 78. 

 Scale-insects afl'ecting the Orange, 13. 



Agencies assisting their distribution, 43. 

 Characteristics, 13. 



Conditions favorable to their increase, 45, 

 Division into subfamilies, 14. 



Generally present on Orange trees, 42. 

 Infection from nursery stock, 87. 

 Influence of climate, 46. 



cold, 46. 



Insect enemies, 69. 

 Introduced on imported plants,86. 

 Oscillations in numerical increase, 46. 

 Parasites, 47. 



Precautionary measures, 87. 

 Protected by Spider-webs, 43. 

 Bavages, 42. 

 Bemedies, 91. 



Effective remedies, 92. 

 Popular fallacies, 91. 

 Secretions, 13. 

 Spreading, 87. 

 Scavenger insects, 170. 

 Scolytidse, General habits of, 173. 

 Scymnus bioculatus, 66. 

 caudalis, 180. 

 Larva and habits, 180. 

 Various species preying on Aphis, 180. 

 Sejus sp., 216. 

 Silicate of soda as a remedy for Scale-insects, 99. 



Table of experiments with, 211. 

 Sinea multispinosa, 191. 

 Siphonophora multispinosa, 191. 

 Skiff-caterpillar, 143. 

 Slug-caterpillar, 140. 

 Smicrips hypocoproides, 177. 

 Smut of the Orange, 3, 62, 63. 

 Soda lye as a remedy for Scale-insects, 98. 

 Soldier-bug, The Green, 159, 190. 

 Soldier-bugs as predatory insects, 190. 

 Solenopsis xyloni, 129. 



Destroying their colonies, 130. 

 Habits, 130. 



Preventive measures, 131. 

 Soothsayers, 188. 

 Spear-head Mite, 83. 



Spider associated with Orange Web-worm, 155. 

 Spider- webs protecting Scale-insects, 43. 

 Spider-legged Soldier-bug, 78, 191. 

 Eggs, 79. 



