154 



FOREST PROTECTION 



Chermes abietis Linn., 102. 

 Chermes pinicorticis Fitch., 101. 

 Chermes sibiricus Chold., 102. 

 Chermes strobi Hart., 101. 

 Chion cinctus Dru., 63, 67, 68. 

 Chionaspis americana Johns, 105. 

 Chionaspis pinifolice Fitch., 101. 

 chinquapin, 110, 111, 112. 

 chipmunk, 16. 

 Chalciphora virginiensis Dru., 43, 



48,50. 



Chramesus icorice Lee., 63. 

 Chrysobothris dentipes Germ., 48. 

 Chrysobothris femorata Fab., 63, 67, 



68, 74. 



Chrysobothris Q-signata Say, 65. 

 Chrysomela scalaris Lee., 75. 

 Chrysomelidce, 21, 29, 48, 63, 68, 69, 



73, 75. 



Cercopidce, 101. 

 Cicada, 104, 106. 

 CicadidcB, 21, 30, 35, 104, 106. 

 CicindelidcB, 20. 

 Cimbex americana Leach, 97. 

 Citheronia regalis Fab., 82. 

 Clematis, 112. 

 Cleridce, 20. 

 climbers, 112. 

 Coccidce, 21, 29, 34, 101, 102, 103, 



104, 105, 106. 

 CoccineUidcB, 20. 

 Cochlidiidoe, 85. 

 Coleoptera, 20, 21, 38, 43-76. 

 Colopha ulmicola Fitch., 105. 

 Colydiidce, 20. 

 Componotus pennsylvanicus Deg., 



94 



Conotrachelus elegans Say, 63. 

 Conotrachelus juglandis Lee., 62. 

 Conotrachelus nenuphar Herbst., 63. 

 Convolvulus, 110. 

 Corthylus columbianus Hpk., 66, 68, 



70. 



Corthylus punctatissimus Zm., 74. 

 Cossidce, 21, 29, 85, 86, 87, 88. 

 Cotalpa lanigera Linn., 64, 68. 

 cotton woods, 111. 

 Crepidodera rufipes Linn., 73. 

 Cressonia juglandis S. & A., 82. 

 cross-bills, 18. 

 crows, 18. 



Cryphalus, 50, 55, 56. 

 Cryptorhynchus, 67. 

 Cryptorhynchus parochus Hbst., 62. 

 Crypturgus atomus Lee., 43, 50. 

 Crypturgus pusittus, 48. 

 Curculionidce, 21, 29, 30, 32, 35, 36, 



37, 43, 44, 48, 50, 51, 56, 57, 62, 



63, 67, 68, 69, 73. 

 Curius dentatus Newm., 57. 

 Cynips spp., 96. 

 Cyllene picta Dru., 63. 

 Cyllene robince Forst., 73, 114, 121. 

 Cynipidce, 30, 96. 

 Cynipoidea, 21, 29, 

 damping-off, 120. 

 Dantana angusii G. & R., 85. 

 Dantana integerrima Dru., 82. 

 Dantana ministra G. & R., 82, 83, 



85, 89. 

 deer, 15. 



Dendroctonus, 44, 45, 46, 47, 49. 

 Dendroctonus approximatus Dtz., 47. 

 Dendroctonus brevicomis Lee., 44, 



47. 



Dendroctonus engelmanni Hopk., 51. 

 Dendroctonus fontalis, 31, 43, 48, 50, 



114. 

 Dendroctonus monticolce Hopk., 44, 



45, 46, 47. 



Dendroctonus obesus Mann., 48, 51. 

 Dendroctonus piceaperda Hopk., 31, 



50. 



Dendroctonus ponderosce Hopk., 47. 

 Dendroctonus pseudotsuga Hopk., 54. 

 Dendroctonus similis Lee., 49, 54. 

 Dendroctonus terebrans Oliv., 43, 48. 

 Dendroctonus valens Lee., 43, 46, 47, 



48. 



Diapheromera femorata Say, 108. 

 Diaporthe parasitica Murrill, 120. 

 Dicerca lurida Fab., 63. 

 Dicerca obscura Fab., 63, 74. 

 Dioryctria reniculella Grote, 78. 

 Diptera, 20, 21, 38, 99, 100. 

 Discomycetes, 116, 118. 

 dogwood, 110, 111, 112. 

 Dolurgus pumilis Mann., 51. 

 doves, 18. 



Drepanosiphum acerifolii Thos., 106. 

 drought, 114. 

 Dryocartes, 43, 50. 

 Dryocartes affaber Mann., 51. 

 Dryocartes autographus Ratz., 50. 

 Dryocartes eichhoffi Hopk., 65. 

 Dryocartes granicollis Lee., 50. 

 Dryophilus, 59. 



Eburia quadrigeminata Say, 63, 76. 

 Ecdytolopha insiticiana Zell., 87. 

 Echinodontium tinctorium, 123. 

 Elaphidion viUosum Fab., 63, 68, 74. 

 Elateridoe, 20, 21, 30. 

 Enarmonia bracteatans Fern., 77. 

 Enarmonia caryana Fitch., 82. 



