I 
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Begonia as breading plant of Green¬ 
house Leaf-tier, 100. 
attacked by Greenhouse White 
Fly, 130. 
injured by Foliar Eel-worm, 140- 
141. 
belmoreana, Kentia, 127, 128. 
Benzine for cleaning up infested 
mills and granaries, 79. 
Black Aphis, or Black Chrysanthe¬ 
mum Aphis, 116. 
-flies and buffalo-gnats (Simulium) 
as possible carriers of pel¬ 
lagra in Illinois, 21-55. 
as pests of domesticated ani¬ 
mals, 22, 26-27, 38, 48. 
breeding situations of, 28, 29- 
31. 
eggs of, 22, 29, 30, 41, 46, 50. 
enemies of larvae of, 30. 
general description of, 22. 
in Illinois, data on distribution 
and life histories of, 21- 
22 . 
discussion of possible cau¬ 
sal relations of, to pel¬ 
lagra, 48-52. 
in northern regions, 24. 
in tropical America, 25. 
injuries to man by, 23-26, 48. 
larvae of, 22, 28, 29, 30. 
length of life of adult, 30. 
life history of Illinois species 
of, 28-29. 
measures of prevention and pro¬ 
tection against, 27-28, 30. 
prevalence of, in Illinois, 49. 
pupae of, 28, 29, 30. 
reported fatal attacks on man 
by, 25. 
threatening symptoms in ani¬ 
mals attacked by, 26-27. 
Black-fly, the 44, 47. 
outbreaks and waves of increase 
of pellagra, degree of corre¬ 
spondence between, 51. 
“Black Fly”, 116. 
Blackberry injured by Rose Scale, 
126. 
borbonnica, Latania, 124, 128. 
Borer of Elm, Round-headed, 5, 10. 
See also Elm-borer. 
Borers, protection against, 10. 
Boston Fern, Hemispherical Scale 
common on, 124. 
injury to, by Fern Scale, 126. 
Bouvardia infested by Aphelenchus 
sp., 141. 
Box infested by Box Scale, 127. 
Scale, 126-127. 
bractatus, Halticus, 113. 
bracteatum, Simulium, 31. 
Bran infested by Yellow Meal-worm, 
brassicella, Cerostoma, 101. 
Bread infested by Saw-toothed Grain- 
beetle, 69. 
brevilineus, Dularius, 8. 
bromeliae, Diaspis, 124. 
Brues, C. T., 97, 100. 
Buck, A. E., 25. 
Buckwheat flour infested by larva 
of Mediterranean Flour-moth, 63. 
Bud-rot, Carnation, 139. See Carna¬ 
tion Bud-rot. 
Buffalo-gnat, the, 28, 38, 39, 40-41. 
Buffalo-gnats. See Black-flies and 
buffalo-gnats. 
Bumble-bees’ nests infested by Medi¬ 
terranean Flour-moth, 64. 
Bureau of Entomology, U. S. Depart¬ 
ment of Agriculture, 88. 
Burrill, T. J., 5. 
Busck, August, 104. 
buxi, Pinnaspis, 126. 
Buxus infested by Box Scale, 127. 
O 
Cabbage, 103. 
Diamond-back Moth as pest of, 
101 . 
liable to injury by Myzus persicae, 
117. 
Cabot, J. Elliot, 24, 44. 
Cacoecia rosaceana, 91. 
Calandra granaria, 69-70. See also 
Granary or Black Weevil, 81. 
oryza, 70-71. See also Rice or 
Spotted Weevil, 81. 
Calla Lily. See under Lily Calla. 
Callopistria floridensis, 88, 91. See 
Southern Fern-Cutworm. 
Camellia attacked by Soft Scale, 
123. 
infested by Camellia Scale, 127. 
by Hemispherical Scale, 124. 
by Oleander Scale, 128. 
Scale, 127. 
camelliae, Uhleria, 127. 
canadens*' Lilium, 104. 
canade .ngeron, ±14. 
Philot 118. 
canariensis, Phoenix, 128. 
Carbon bisulfid for Angoumois Grain 
Moth, 61. 
for Corn Root-aphis, 121. 
fo,r Granary Weevil. 70. 
for Indian Meal Moth, 66. 
for Meal Sno.ut-moth, 66a. 
implement used to apply, in 
treating Corn Root-aphis, 122. 
procedure in fumigating with, 
76-78. 
Carduus lanceolatus as food plant of 
Garden Flea-hopper, 114. 
