Chestnut infested by Viburnum Bor- 
er, 34. 
by Ninebark Borer, 37. 
by San Jose Scale, 59. 
telegraph poles injured by Heart- 
wood Borer, 69-70. 
Chickens as enemies of Onion-mag- 
got, 135. 
Chionaspis furfura, 55-57. 
Chittenden, F. H., 51, 52, 55, 69, 104, 
107, 126. 
Clirj'somelidae, 91. 
Chrysopa as enemy of Cabbage Plant- 
louse, 112. 
chrysorrhoea, Euproctis, 14. 
Clover as hibernating plant of Pea- 
louse, 139. 
Club-root of Cabbage, 127. 
Coffee-tree, Kentucky, 60. 
Colaspis brunnea, 91. 
Colorado Potato-beetle, 141-143, 146- 
147. 
comptana, Ancylis, 86. 
confusus, Limonius, 143. 
Conifers, 10. 
Cooley, R. A., 90, 92, 93, 94. 
Corn as food plant of adult Straw- 
berry C'rown-girdler, 92. 
destroyed by Stalk-borer, 147. 
injured by Limonius confusus, 143. 
roots, old, Anomala binotata found 
among, 73. 
Sweet, 100. 
Sugar, Anomala binotata found in 
fields of, 74. 
Cornus sanguinea injured by Dog- 
wood Twig-girdler, 47. 
sp. injured by Ninebark Borer, 37. 
Creosote, crude, to destroy egg mass- 
es of white-marked Tus -ock- 
moth, 14. 
oil, carbolic acid, turpentine, and 
coal-tar, mixture of, to destroy 
egg masses of Gypsy Moth, 19. 
Cottonwood infested by Poplar and 
Willow Borer, 41. 
Cottony Maple Scale, 62-67. 
description of female of, 64. 
history of, in Illinois, 62. 
insecticide treatment for, 66- 
67. 
life history of, 64. 
parasites and insect enemies 
of, 62, 65. 
trees and woody plants in- 
fested by, 62. 
Crataegus injured by San Jose Scale, 
59. 
Crepidodera cucumeris, 145. 
Crioceris asparagi, 102, 103-104., 
Crown-borer, Strawberry, 91. 
Crown-girdler, Strawberry, 90-94. 
Crown-miner, Strawberry, 91. 
Cryptorhynchus lapathi, 31, 40-44. 
See Poplar and Willow Borer. 
Cucumber and Melon, insect pests 
of, 114-129. 
-beetle. Striped, 100, 101, 115-118. 
beetles, repellent and insecticide 
for, 155. 
immunity of, from wireworm in- 
jury, 144. 
injured by Eel-worm, 126-128. 
by Greenhouse White-fly, 121. 
by Red Spider, 124. 
by -Squash-bug, 118, 119. 
plants, injury to, 96. 
Cucumbers, 100. 
cucumeris, Apliis, 120. 
Crepidodera, 145. 
Epitrix, 145. 
Currant infested by San Jose Scale, 
59. 
injured by Oyster-shell Scale, 58. 
by Scurfy Scale, 56. 
Cutworm, Variegated, 107, 129-132. 
Cutworms, 100, 101. 104. 
cabbage-worms, and potato-beetles, 
insecticides for, 148. 
remedies for, 131. 
Cyllene robiniae, 48-50. 
Cypress, Bald, 60. 
D 
Datana integerrima, 8-10. See Wal- 
nut Caterpillar. 
Davis, J. J., 1, 40, 73, 74, 87. 
10-lineata, Doryphora, 141. 
Leptinotarsa, 141. 
deltoides, Populus, 31. 
destructor, Nectarophora, 138. 
Diabrotica vittata, 115-118. 
dianthi. Aphis, 146. 
Rhopalosiphum, 146. 
dispar, Porthetria, 14. 
disstria, Malacosoma, 21. 
Dogwood infested by Dogwood Twig- 
girdler, 45. 
injured by Ninebark Borer, 37. 
by White-marked Tussock-moth, 
10. 
Cottony Maple Scale on, 62. 
Red-osier, injured by Dogwood 
Twig-girdler, 47. 
Red-twigged, injured by Oyster- 
shell Scale, 58. 
by Scurfy Scale, 56. 
Twig-girdler, 44-47. 
Dogwoods infested by San Jose Scale, 
59. 
dollii, Memythrus, 31. 
Doryphora 10-lineata, 141. 
Dunlap, A. J., 76. 
Dunlap, H. M., 76, 93. 
