154 



FOREST PROTECTION 



Chermes abietis Linn., 102. 

 Chermes pinicorticis Fitch., 101. 

 Chermes sibiricus Chold., 102. 

 Chermes strobi Hart., 101. 

 Chion dnctus Dru., 63, 67, 68. 

 Chionaspis americana Johns, 105. 

 Chionaspis pinifolice Fitch., 101. 

 chinquapin, 110, 111, 112. 

 chipmunk, 16. 

 ChaXciphora virginiensis Dru., 43, 



48, 50. 

 Chramesiis icorice Lee, 63. 

 Chrysobothris dentipes Germ., 48. 

 Chrysobothris femorata Fab., 63, 67, 



68, 74. 

 Chrysobothris 6-signata Say, 65. 

 Chrysomela scalaris Lee, 75. 

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



73, 75. 

 Cercopidce, 101. 

 Cicada, 104, 106. 

 Cicadidce, 21, 30; 35, 104, 106. 

 Cidndelidce, 20. 

 Cimbex americana Leach, 97. 

 Cither onia regalis Fab., 82. 

 Clemutis, 112. 

 Cleridce, 20. 

 climbers, 112. 

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



104, 105, 106. 

 Coccinellidce, 20. 

 Cochlidiidce, 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 pusillus, 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. 

 CynipidcB, 30, 96. i__^j ;a;4 



Cynipoidea, 21, 29, '^j ; "wii 



damping-off, 120. {'iJli'^ 



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 monticoloe Hopk., 44, 



45, 46, 47. 

 Dendroctonus obesus Mann., 48, 51. 

 Dendroctonus piceaperda Hopk., 31, 



50. 

 Dendroctonus ponderosce Hopk., 47. 

 Dendroctonus pseudotsu^a 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. 

 Dicer ca obscura Fab., 63, 74. 

 Dioryctria reniculella Grots, 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. 

 Dryophihis, 59. 



Eburia qundrigeminata Say, 63, 76. 

 Ecdytolopha insiticiana Zell., 87. 

 Echinodontium tinctorium, 123. 

 Elaphidion villosum Fab., 63, 68, 74. 

 Elateridce, 20, 21, 30. 

 Enarmonia bracteatans Fern., 77. 

 Enarmonia caryana Fitch., 82. 



