31 



Cooperation among experiment-station workers, II, 10. 

 Copidosoma trnneatella, parasite of Prodenia ornithogalli, XXVII, 71. 

 Corcyra cephalonica, in dried fruits, VIII, 10. 

 Coriscus ferus, attacking Leptoterna dolobrata, IX, 41. 



subcoleoptratus, habits of, XXII, 26. 

 Corthylus eolumbianus, habits of, VII, 17. 



punctatissimus, habits of, VII, 16. 

 Coruco=Acanthia inodora. 

 Corydalis cornuta, common names of, VII, 82. 

 Corymbites tarsals, injuring apples in Canada, XXVI, 94. 

 Corythuca arcuata, injuring quince, XVIII, 101. 

 Cosmopepla carnifex, attacking mustard, XVIII, 100. 

 Cotton-field insects, XVIII, 85. 

 Cowpea, weevils in, VIII, 24. 

 Crambus caliginosellus, an enemy of tobacco, XX, 99; XXVI, 83. 



damage by, in Maryland, XVII, 93; XX, 62. 

 injuring young corn, IX, 84. 

 sp., abundant in northern Ohio, II, 85. 

 Crayfish, carbon bisulphide for, II, 98. 

 Crepidodera rufipes, injuring peach in Maryland, XXVI, 84. 



note on, XXX, 84. 

 Cricket, song of, IV, 54. 

 Crickets, damage by house, IV, 55. 

 Crioceris asparagi, found in West Virginia, XVII, 45. 

 hibernation of, VI, 62. 

 in Maryland, VI, 65; XX, 67; XXVI, 

 Michigan, XVIII, 94. 

 New York, VI, 59; XX, 62. 

 1900, XXX, 69. 

 spread of, in Ohio, VI, 67; XX, 71. 

 westward spread of, IX, 41. 

 12-punctata, in Maryland, VI, 65; XXVI, 81. 

 near New York City, XXII, 107. 

 spread of, in New Jersey, VI, 62. 

 New York, XX, 61. 

 1900, XXX, 69. 

 Cryptolaemus montrouzieri, used against Pulvinaria psidii in Hawaii, VI, 49. 

 Cryptomeigenia theutis, parasite of white grub, XIX, 79. 

 Cryptorhynchus bisignatus, on chestnut, VII, 71. 



obtentus, on chestnut, VII, 71. 

 Crystal potash lye, experiments with, against San Jose scale, III, 70. 

 Ctenochiton perforatus, notes on, VII, 81. 

 Culex, distribution of species in the United States, XXV, 30. 

 impiger, note on, XXV, 29. 



pungens, life history of, IV, 10; V, 26; XXV, 22. 

 sollicitans, notes on, XXV, 28. 

 tamiatus, note on, XXV, 29. 

 Culicidse of the United States, XXV. 



See Mosquitoes. 

 Cuterebra buccata, notice of, V, 110. 



cuniculi, infesting rabbits, V, 109. 

 emasculator, infesting squirrels, V, 105. 

 fontinella, notice of, V, 110. 

 horripilum= cuniculi. 



