226 



INDEX. 



Psocns vonoaus, 193. 

 Psyche confederata, 148. 



Unknown species, 148. 

 Pnxple Scale, 26, 42, 75. 

 Egg, 2G. 

 Female, 26. 

 Lifo-history, 27. 

 Male, 20. 



Origin and spread, 27. 

 Parasites, 27. 

 Scale of female, 26. 



male, 26. 

 Young lavva, 27. 

 Pyrothrom as a remedy for ants, 130. 



Bust^mite, lit. 

 White auta, Ui. 

 Eapacious Soldier-bug, 191. 

 Eaphigaster bilaria, 159, 163, 164,190,192. 

 Ked Bug (see Cotton Stainer). 

 Bed Scale of California, 32. 



Distribution, 34. 

 Formation of Scale, 34. 

 Scale of fem.ile, 33. 

 male, 33. 

 Ked Scale of Florida, 28, 86. 



Development, 28. 

 Introduction, 86. 



Number of annual generations, 32. 

 Origin and distribution, 32. 

 Scales of m.ile and female, 28. 

 Winged male, 28. 

 Young larva, 29. 

 Khinacloa sp., 215. 



Khizoglypbus preying upon Scale-insects, 84, 21C. 

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



on coition of bag worms, 214. 

 Komalea microptera, 135. 

 Kuddy 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 nistmito its cause, 106. 

 rings of rust on the fruit, 110. 

 rusty orxnges superior to bright 

 fruit, 112. 

 Bast-mite of the Orange, 107. 



Confined to the Citrus family, 112. 

 Description of the eggs, 108. 

 mite, 107. 

 Distribution, 113. 

 Efi'ect of attacks upon the foliage, 112. 



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. 

 B.apidity in development, 115. 

 Tr.ansported by birds and spiders. 111. 

 Uncertainty as to its origin, 113. 



Boat-mite of the Orange. 



Wandering habits, 107, 109. 

 Sacinm, 175. 



Saddle-back Caterpillar, 141. 

 S.ap-beetles, 175. 

 Sap-feeding insects, 175. 

 Sawyers, 121, 125. 



Scale-devouring Hyperaspidins, 75. 

 Habits, 75. 

 Larva, 75. 

 Pupa, 75. 

 Soale-oating Tineid, 77. 



Earlier states, 78. 

 Habits of larva, 77. 

 Moth, 78. 



Number of broods, 78. 

 Scale-insects afi'ecting the Orange, 13. 



Agencies assisting their distribntiOD, 43. 



Characteristics, 13. 



Conditions favorable to their increase, 45- 



Division into subfamilies, 14. 



Enemies, 69. 



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. 

 OsciU.itions in numerical increase, 46. 

 Parasites, 47. 



Precautionary measures, 87. 

 Protected by Spider-webs, 43. 

 Kavages, 42. 

 Bemedies, 91. 



Eff'ective remedies, 92. 

 Popular fallacies, 91. 

 Secretions, 13. 

 Spreading, 87. 

 Scavenger insects, 170. . 

 Scolytidaj, General habits of, 173. 

 Scymnus bioculatus, 66. 

 caudalis, 180. 

 Larva and habits, 180. 

 Various species preying on Aphis, 180. 

 Sejns sp., 216. 

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



Table of experiments with, 211. 

 Sinea mnltispinosa, 191. 

 Siphonophora mnltispinosa, 191. 

 Skiff-caterpillar, 143. 

 Slug-caterpillar, 140. 

 Smicrips hypocoproides, 177. 

 Smut of the Orange, 3, 02, C3. 

 Soda lye as a remedy for Scale-insects, 96. 

 Soldier-bng, The Green, 159, 190. 

 Soldier-bugs as predatory insects, 190. 

 Solenopsis syloni, 129. 



Destroying their colonies, 130. 

 Habits, 130. 



Preventive measures, 131. 

 Soothsayers, 188. 

 Spear-head Mite, 83. 



Spider associ.ited with Orange Web-worm, 155. 

 Spider-webs protecting Scale-insects, 43. 

 Spider-legged Soldier-bug, 78, 191. 

 Eggs, 79. 



