Borer, American Plum, XI, 26-29. 
description, 28. 
distribution, 29. 
literature, 29. 
Peach, 26. 
Botrytis, 76,80,84. 
Box Elder leaves as food plant of adult of 
White Grubs, 42. 
British Museum Catalogue, Part 27, cited,29. 
Broom Corn, food of aeriaLCorn Louse, 68. 
brunnea, Parandra, 79,81. 
brunneus, var. alienus, Lasius, C5. 
Buckman, Benjamin, on American Plum 
Borer, 26.27. 
on Strawberry Thrips, XIII. 
Bulletin of the Agricultural Experiment Sta¬ 
tion of Alabama cited, XII. 
Illinois State Laboratory of Natural 
History cited, 64. 
U. S. Department of Agriculture, Di¬ 
vision of Entomology, cited, XII. 
Burr ill, T. J.. 75,76. 
description of Sporotriehum globulif- 
erum by, 80. 
culture of Micrococcus insectorum by, 
77. 
C 
canadense, Erigeron, 67. 
canella, Paria, 81. 
Cankerworm, XIV. 
Carbolic acid used against American Plum 
Borer, 27. 
Carolina, Protoparce, XIII. 
Cecidomyia destructor, 54-63. See under 
Hessian Fly. 
Cecropia Moths, 82. 
infection experiments with, 84. 
Chermes pinicorticis, injury to White Pine, 
XIII. 
Cherry, injury to, by Fruit Bark Beetle, 
5,6,7. 
leaves as food of adult of White Grubs. 42. 
Chester, E. E., 41. 
Chestnut leaves as food plant of adult of 
White Grubs, 42,43. 
Chinch Bug, XV,58. 
discovery of new disea c e of, 84. 
diseases of, 76,78,79,84. 
bacterial, 74,76,84,85,87. 
evidence in favor of, 74. 
field experiments with, 87. 
entomophthorous, 87. 
atmospheric conditions favor¬ 
able to, 86,87. 
laboratory and field experi¬ 
ments with, 86. 
spontaneous outbreak of, in 
Kansas, 86. 
fungus, 85,86,87. 
notes on the 74-87. 
recent history, 75. 
literature, 84-87. See Errata, 
infection experiments with, 82,83,85. 
Cliiropaehys colon parasite of Fruit-Bark 
Beetle, 15. 
ciliata, Laelmosterna, 51. 
cinerosella, Euzophera, 26. 
Clisiocampa sylvatica, XIII. 
Clover heads as food of adult of White 
Grubs, 42. 
Cockchafer, Common, of Europe, 32. 
colon, Cliiropaehys, 15. 
Common Brown Ant as host of Corn-Root 
Aphis. 65,66. See under Lasius brun¬ 
neus alienus. 
Cockchafer of Europe, 32. 
Tomato Worm, disease of, XIII. 
concinna, ffldemasia, XIII. 
congrua, Lachnosterna, 47,48,49. 
Conotrachelus nenuphar, experiments with 
arsenical poisons for, 21-25. See under 
Plum Curculio. 
Contagious diseases of Chinch Bug, IX, 74- 
87. See under Chinch Bug and under 
Diseases. 
Copipanolis vernalis infested by Sporotri- 
chum globuliferum, 81. 
Cordiceps parasitie on White Grubs, 45. 
melolonthce. 45. 
Corn, as food of adult of White Grubs, 42. 
injury to, by Larger Corn Root Worm, 
XI, 71, 72. 
description of, 71. 
by White Grubs, description, 42. 
Root Aphis, a Summary History of the, 
64-70. 
aerial form,dates when ob-erved, 68. 
autumnal history, 68. 
economic suggestions, 69. 
late fall plowing to destroy formi¬ 
caries, 69. 
starvation experiments, 69. 
eggs, time of hatching, 65. 
hibernation, 65. 
life history, XV. 
methods of investigation, 64. 
relation of aerial and root forms, 67. 
various generations, form and food 
of, 66, 67, 68. 
Root Worm, a new, XI. See under Corn 
Root Worm, the Larger, 
the Larger, On a Bacterial Dis¬ 
ease of, 71-73. 
food plants, XI, 72. 
of adult, XI, 71,72. 
injury to Coi n, XI, 71,72. 
rotation of crops for, XI. 
corni, Schizoneura, 65. 
corrosa, Lachnosterna, 47, 50. 
crassissima. Lachnosterna, 47, 49. 
crenulata, Lachnosterna, 47, 51. 
crispa, Rumex, 67. 
Curculio, Plum, XV. 
Cutworms, bacterial disease of, XII. 
Cyclocephala, 30, 31, 34, 38, 40. 
description, 45. 
life history, 40. 
immaculata, 40, 53. 
description, 45. 
