xvii 
W 
Wallflower attacked by Diamond- 
back Moth, 101. 
Warder, R. H., 135. 
Washburn, F. L., 28, 48. 
Webster, F. M., 25, 109, 111, 114, 136. 
Weeds as food plants of Garden Flea- 
hopper, 114. 
Weevil, G'ranary, 56, 69-70. See un¬ 
der Granary Weevil. 
Weevils and beetles, granary, 66-72. 
Whale-oil soap solution for plant- 
lice, 120. 
for scale insects, 130. 
or other soap solutions for Green¬ 
house White Fly, 134-135. 
Wheat ks food of Confused Flour- 
beetle and larva, 68. 
of Granary Weevil, 69. 
flour as food of Confused Flour- 
beetle, 67. 
infested by larva of Mediterrane¬ 
an Flour-moth, 63. 
injured by Angoumois Grain Moth, 
60 . 
Wheat— Continued. 
prepared, as food of Confused 
Flour-beetle, 67. 
rolled, infested by Mediterranean 
Flour-moth, 64. 
White Fly, Greenhouse, 130-135. See 
under Greenhouse White Fly. 
-grubs, 121. 
X 
Xylotrechus colonus, 8. 
Y 
Yeast cakes as food of Indian Meal 
Moth, 66. 
infested by Saw-toothed Grain- 
beetle, 69. 
Yellow Meal-worm, 51, 71-72. 
beetle, distinctive characters of, 
81 . 
Z 
Zetterstedt, Johann Wilhelm, 31. 
Zinnia infested by foliar nematodes, 
141. . 
ERRATA 
Page 31, line 18, for Holton read Houghton. 
Page 36, legend, and page 46, second legend, dele apostrophe. 
Page 55, line 3, for XLI read XL. 
