172 



NEW YORK STATE MUSEUM 



bicolor, Goptocycla, no. 



bilineatus, Agrilus, 106. 

 Telephorus, 31. 



bipunctata, Adalia, 86. 



Birch louse, 109. 



Birch trees, injurious insects: 

 bronze birch borer, 98. 

 snow-white linden moth, loi. 

 spiny hazel gall on, 82. 



Birds, as insect enemies, loi; de- 

 crease in number, loi; desira- 

 bility of protecting, no. 



Black horned tree cricket, 94. 



Blackberry, tree crickets injuring, 



94. 

 Blister beetle, Say's, 94. 

 Blister mite, 6, 92, 106. 

 Boll worm, in. 

 Book louse, 107. 

 Bordeaux mixture, 33, 34, 88. 

 Box elder aphis, 79. 

 brassicae. Aphis, no. 

 Bristle tail, 107. 

 Bronze birch borer, 98. 

 Brown tail moth, 5, 8, 17-25, 105, 



106, no; destructiveness, 18-19;' 

 experimental work, 19-24; ob- 

 servations on experiments, 24- 

 25; another infestation, 17-18; 

 salient characters, 19. 



Bryobia pratensis, 105. 

 Bud worm, 108. 



Cabbage, plant lice injuring, 75. 



Cabbage lice, no. 



Cabbage worm, 108. 



Calathus rufipes, 32. 



Caliephialtes messor, 32. 



californicus, Pterostichus, s^. 



Callipterus ulmifolii, 79. 



Canker worms, 89-90, 109. 



Carbon bisulfid, 78, 104. 



Carpet beetles, 107. 



Carpocapsa pomonella, 25-71, 106, 



107, 108. 



caryae, Halisidota, 104. 



caryaecaulis, Phylloxera, 82. 

 Caryomyia, 9, no. 

 Cecidomyia tubicola, no. 



Cecidomyiidae, 109, no; publica- 

 tion on, 10. 



Centipede, 107. 



cerasi, Myzus, 77. 



Cereal and seed pests, 107. 



cerealella, Sitotroga, 112. 



Chaitophorus aceris, 78-79, 109. 

 negundinis, 79. 



Chauliognathus marginatus, 31. 

 pennsylvanicus, 31. 



Cheese skipper, 107. 



Chermes abietis, 83, 108. 

 pinicorticis, 80. 

 strobilobius, 80. 



Cherry aphis, 77. 



Cherry tree, rose leaf hopper in- 

 '^^juring, 90. 



Chestnut borer, two lined, 106. 



Chestnut timber worm, 106. 



Chestnut trees, injurious insects, 

 106. 



chrysorrhoea, Euproctis, 17-25, 

 105, 106, no. 



Cigar case bearer, 5, 106. 



Cincticornia, 9. 



Clarke, Cora H., acknowledg- 

 ments to, 9, 10. 



Clothes moths, 107. 



Clover mite, 105. 



Cluster fly, 107. 



Coccinella novem-notata, 86. 



Cockroaches, 107. 

 green, 112. 



Cockscomb elm gall, 81. 



Codling moth, 6, 25-71, 106, 107, 

 108; bibliography, 65-71; con^ 

 trol measures, 32-t,7', early his- 

 tory, 26; estimates of losses 

 caused by, 25; experimental 

 work, 35^5; life history and 

 habits, 27-31; natural enemies, 

 31-32; origin and distribution, 

 26-27; treatment of plots, 37-41. 



Coleophora fletcherella, 106. 

 limosipennella, 99. 



Coleoptera, additions to collec- 

 tions, 1 13-14, 118; of Adiron- 

 dacks, 123; total number of speci- 

 mens in collections, 118. 



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