r 



56 



MISC. PUBLICATION 318, U. S. DEPT. OF AGRICULTURE 



76. All stages. 



32. Leaves. 



I. Control measures : 



33. Blossoms. 



77. 



Baits. 



34. Fruits or grains. 



78. 



Banding or barriers. 



35. Stored plant products. 



79. 



Burning. 



36. Decaying vegetation. 



80. 



Culture. 



37. Paste, glue, starch. 



81. 



Date of harvesting. 



< 38. Lumber. 



82. 



Date of planting. 



39. Hide or leather. 



83. 



Destroying hibernating quar- 



40. Flesh or blood. 





ters. 



41. In intestines. 



84. 



Dipping. 



Drainage. 



42. Dried hair and feathers. 



85. 



43. Decaying animal matter. 



86. 



Dusting. 



44. Eggs (insect). 



87. 



Hot-water treatment. 



45. Young and adults (insect). 



88. 



Fumigation. 



C. Stage in which insect spends the 



89. 

 90. 



Hand picking or squeezing. 

 Heating. 



winter : 



91. 



Medication. 



46. Egg. 



92. 



None satisfaciory. 



47. Immature stages. 



93. 



Parasite. 



48. Pupa. 



94. 



Pruning. 



49. Adult. 



95. 



Rotation. 



50. All stages (in South or in 



96. 



Sanitation or crop-refuse de- 



heated buildings). 





struction. 



D. Where insect spends the winter : 



97. 



98. 



Spraying. 



Store products in tight con- 



51. Animals. 





tainer. 



52. Alternate host. 



99. 



Trapping. 



53. Branches of trees. 



100. 



Use plants of resistant varie- 



54. Buildings. 





ties. 



55. Crop refuse. 







56. Protected places in general. 



J. Insecticide to use : 



57. Soil. 



101. 



Barium fluosilicate. 



58. Stored products. 



102. 



Benzol. 



59. Water. 



103. 



Beta-naphthol. 



60. Where it fed. 



104. 



Bordeaux mixture. 



61. Woody portion of plants. 



105. 



Calcium arsenate. 



E. Mouth parts : 



106. 

 107. 



Carbon disulphide. 

 Cryolite. 



62. Chewing. 



108. 



Cyanides. 



63, Lapping. 



109. 



Rotenone (derris or cube). 



64. Piercing and sucking. 



110. 



Hellebore. 



65. Rasping. 



111. 



Kerosene. 



66. Sucking. 



112. 



Lead arsenate. 



F. Economic importance : 



113. 



114. 



Lime-sulphur. 



67. Pest. 



115. 



Nicotine. 



68. Beneficial. 



116. 



Naphthalene. 



69. Larva beneficial. 



117. 



Oil emulsion. 



70. Adult beneficial. 



118. 



Paradichlorobenzene. 



71. Questionable importance. 



119. 



Paris green. 





120. 



Pine-tar oil. 



G. Injurious stage: 



121. 



Pyrethrum. 



(Same numbers as H. ) 



122. 



Soaps. 



H. Control directed toward : 



123. 

 124. 



Sodium arsenite. 

 Sodium fluoride. 



72. Egg. 



125. 



Sodium fluosilicate. 



73. Immature stage. 



126. 



Fly paper. 



74. Pupa. 



127. 



Creosote. 



75. Adult. 



128. 



Rather complicated. See a 



bulletin on the subject. 



