67 



Cotton — Continued. 

 Cutworm, xxi, 146, 148-149; xxiii, 79- 



81, 230. 

 destroyed by Cotton Cutworm, xxi, 

 148. 

 by Ear-worm, xxiii, 67. 

 bv Pale-striped Flea-beetle, xxi, 

 121; xxiii, 108. 

 eggs of meadow grasshoppers in stalks 



of, xxiii, 146. 

 infested by Diedrocephala versuta, 

 xxi, 71. 

 by Granulated Cutworm, xxiii, 32. 

 by Melon Aphis, xxi, 81. 

 -plant as food of Oblique-banded 



Leaf-roller, xiii, 94. 

 -plants cut off by Scaly June-bug, 

 xxiii, 184. 

 defoliated by Hvperchiria io, xxiii, 

 168. 

 pollen as food of larva? of Corn- 

 feeding Syrphus-fly, xxiii, 163. 

 refused as food plant by Army-worm 



in confinement, xxiii, 49. 

 -worm, xiv, 57. 

 Cottonwood, or Carolina Poplar, as 

 food plant of Mav-beetles, xxiv, 

 143, 144. 

 infested by Empoasca mali, xxi, 78. 



by Typhlocyba rosse, xxi, 78. 

 injured by Smartweed Caterpillar, 



xxiii, 170. 

 leaves. Bristly Cutworm reared on, 

 xxiii, 35. 

 Cottony Maple Scale, articles on, cited, 

 xxiv, 103. 

 comparative effectiveness of win- 

 ter and summer treatment for, 

 xxiv, 116. 

 effect of infestation by, on trees, 

 xxiv, 102. 

 of summer spraying of trees 

 for. xxiv. 108, 110. 

 food plants of, xxiv, 103, 116. 

 hatching period of, xxiv, 106. 

 history of, in Illinois since 1867, 



xxiv, 100-102. 

 Illinois counties reported as in- 

 fested by, in 1905, xxiv, 102, 

 116. 

 in Illinois, xxiv, 100-117. 

 infestation by, in Chicago and 

 certain suburbs, xxiv, 100, 103, 

 115. 

 injury to trees when spraying for, 



xxiv, 112-114. 

 insect enemies of, xxiv, 100, 102, 



114-115, 117. 

 kerosene emulsion for, xxiv, 106— 



114, 116. 

 life history of, xxiv, 104-105, 116. | 



Cottony Maple Scale — Continued. 



periodicity of injuries by, xxiv, 



100, 115. 

 protection of roots of trees treated 

 with kerosene emulsion for, 

 xxiv, 113, 116. 

 summary concerning, xxiv, 115— 



117. 

 summer insecticide measures 



against, xxiv, 106-110. 

 table giving data and results of 

 experimental spraying for, xxiv, 

 109. 

 test of death of, xxiv, 107. 

 whale-oil soap solution for, xxiv, 



108, 109, 110. 

 winter insecticide measures 



against, xxiv, 110-112. 

 (See also Maple or Soft Maple 

 Bark-louse; and Maple, Woolly 

 Bark-louse of.) 

 Cow-pea as food plant of Colaspis brun- 

 nea, xxii, 148. 

 of Ear-worm, xxiii, 67. 

 of Grass-worm, xxiii, 82. 

 immune from Chinch-bug injury, xxiii, 



59. 

 injured bv Smaller Corn Stalk-borer, 

 xxiii, 95. 

 by Thyanta perditor, xxiii, 117. 

 Cowslip infested by Tarnished Plant- 

 bug, xiv, 80. 

 Crab-apple, cultivated and wild, as food 

 plant of Leaf-crumpler, 

 xv, 67, 69, 73. 

 of San Jose Scale, xx, 1 ; 

 xxi, 13. 

 Sweet-scented, Apple Tischeria bred 



from, xv, 46. 

 Wild, Paria aterrima and P. sexno- 

 tata abundant on, xiii, 161, 169. 

 Crab-grass as food plant of Corn Root- 

 aphis, xviii, 61. 

 of Garden Web-worm, xxiii, 90. 

 eggs of meadow grasshoppers in stems 



of, xxiii, 146. 

 infested bv Woolly Grass Root-louse, 

 xviii, 105. 

 Craig, John, xxiv, 44, 46. 

 Crambus.. xxiii, 10, 16, 36-44. 

 adult, xxiii, 155. 

 caliginosellus, xxiii, 42, 153, 155. 

 camurellus injurious to lawns, xviii, 



XI. 

 descriptive distinctions between spe- 

 cies of, xxiii, 149-155. 

 exsiccatus, xvi, IX. 

 fuscicostellus, xvi, IX. 

 gasoline blast-lamp used against, xxiv, 



51. 

 hortuellus, xxiii, 42, 43. 



