CONTENTS. 



"WiREwoKMs. Pajjes 73-91. 



I. Introduction. Page 73. 



II. Methods of experimentation. Page 75. 



III. Experiments. Pages 75-85. 



A. Protection of seeds. Pages 76-78. 



1. By a coating of Paris green and flour. Page 76. 



2. By a coating of tar. Page 7'!. 



3. By soaking it in a solution of salt. Page 77. 



4. By soaking it in a copperas solution. Page 77. 



5. By soaking it in a chloride of lime and copperas solution. 



Page 77. 



6. By soaking it in kerosene oil. Page 77. 



7. By soaking it in turpentine. Page 78. 



8. By soaking it in a strychnine solution. Page 78. 



9. By soaking it in other poisonons substances. Page 78. 



B. Destruction of the laryje. Pages 78-83. 



1. By starvation. Page 79. 



a. By clean fallow. 



b. By supposed immune crops, like buckwheat, mustard and 



rape. 



2. By insecticides, as kerosene, crude petroleum, poisoned 



dough, bisulphide of carbon, salt, kainit, mu)-iate of 

 potash, lime, chloride of lime, and gas lime. Page 80. 



C. Destruction of pupve and adults. Pages 83-85. 



1. Fall plowing. Page 83. 



2. Trapping. Page S-t. 



General summary of the methods of combating Wireworms. Page 85. 

 ly. The transformation of several species of Wireworms. 

 Pages 85-91. 



1. The wheat wireworm {Agriotes tnancus). Page 86. 



2. Asaphes decoloratus. Page 87. 



3. Melanotus cominunis. Page 88. 



4. Drasterias elegans. Page 89. 



5. Cryptohypnus ahhreviatus. Page 90. 

 The Bod Moth {Ttrietocera ocellana). Pages 92-101. 



Its history and distribution. Page 93. 



llow it is spread Page 93. 



Its name and classification. Page 93. 



How its presence is indicated. Page 94. 



Its appearance. Page 94. 



Its life history. Page 95. 



Its apj)earance and habits in the spring. Page 95. 



Pupation. Page 97. 



Habits of the moth. Page 97. 



Egg-laying. Page 97. 



Summer habits of the caterpillar. Page 98. 



Hibernation. Page 98. 



iSi umber of broods. Page 99. 

 Its natural enemies. Page 99. 

 Methods of preventing its ravages. Page 100. 



