IV 
fuscipes, Blacus,5,19. 
G 
Garman, H., 04,70. 
article on Diabrotica 12-punctata cited, 
71. 
Gasoline for White Grubs, 43. 
General Record for 1889 and 1890, IX-XY. 
Giard, Maurice, on Fruit Bark Beetle, 6,20. 
on transformations of European Cock¬ 
chafer, 32. 
gibbosa, Lachnosterna, 35, 36, 37,38,45,46,47, 
48,49,51. 
glaberrima, Lachnosterna,47,48. 
globuliferum, Sporotrichum, 75,76,80. 
glomeral a, Dactylis, 62. 
Goodrich, Theodore, letter on Fruit Bark 
Beetle, cited,!.abstract, 16. 
Goureau, Ch.,on Fruit Bark Beetle,6,19. 
on parasites of Fruit Bark Beetle,5. 
Les Insectes Nuisibles aux Arbres 
Fruitiers, &c.,cited,5. 
gracilis, Lachnosterna, 47,49. 
Grain Louse, injury to Wheat, X,56,57. 
infection experiment with, 82. 
small, injury to by Siphonophoraavenas, 
X. 
graminum, Toxoptera, X. 
grandis, Lachnosterna, 47,50. 
Grass, blue, food of adult of White Grubs, 
42,43. 
infested by Hessian Fly, 61. 
pigeon, as food of Corn-Root Aphis, 
66,67. 
quick-,flaxseeds of Hessian Fly in,61. 
-root Louse, 65. 
tickle-, as food of Corn-Root Aphis, 67. 
timothy, flaxseeds of Hessian Fly in. 61. 
velvet, infested by larvae of Hessian 
Fly, 61. 
Grasses, attempt to rear Hessian Fly upon, 
61,62. 
tame and wild, occurrence of Hessian 
Fly in, 61. 
Grasshoppers, 58. 
Grub Worms, 30. 
H * 
haemorrhous, Scolytus, 18. 
Hagen, H. A., 5. 
Scolytus rugulosus in Pear-trees dam¬ 
aged by Pear Blight, 13. 
Hamilton, John, on Fruit Bark Beetle, 5,14. 
Hand-picking for White Grubs, 43,52. 
Harman, J. C., Injury to Fruit Trees by a 
New Insect, abstract, 13. 
Harris, T. W., on European Cockchafer, 32. 
Insects Injurious to Vegetation, cited,32. 
on Lachnosterna fusca, 32. 
Hart. C. A., 70. 
Key to Illinois Species of Lachnosterna 
47-51. 
Hawthorn, European, injury to, by Frui 
Bark Beetle, 6. 
Heartweed as food of Corn-Root Aphis, 65 
Heinemann, H. von, Die Schmetterlingi 
Deutschlands und der Schweiz cited,29 
Helianthus, as food of Larger Corn Roo 
Worm, 77. 
Hessian Fly, X. 
additional notes on the, 54-63. 
aestivation, 54,55.57,58,59,62. 
life history, notes on, 55-59. 
insectarium experiments and observa¬ 
tions, 55. 
out-of-door experiments, 56,57. 
eggs, when laid, 54. 57, 59. 
experiments with grasses, 61. 
field observations, 58. 
imago, dates of emergence, 54, 55, 56,57 
58, 59 , 62. 
length of life of adult, experiments t< 
determine, 59. 
of a generation, 56, 58, 59. 
life history, XV, 54-62. 
measures against, 61, 62, 63. 
burning stubble, 62. 
destroying screenings, 62. 
killing or plowing under voluntee: 
wheat, 63. 
plowing and rolling, 62. 
number of broods, 54. 
occurrence in grasses, 61. 
practical discussion, 62. 
retardation of metamorphosis, 55. 
second autumnal generation of larvae 
54, 55. 
spring brood, 54, 57. 
table of breeding-cage results, 60. 
time of breeding in volunteer wheat, 59 
Hickory, twigs of, infested by Scolytus, 5. 
hirticula, Lachnosterna, 35, 36, 37, 38, 39, 43 
45, 47, 51, 81. 
hirtiventris, Lachnosterna, 47, 48, 49. 
Holcus lanatus infested by Hessian.Fly, 61. 
Honeysuckle, Bush, blossoms eaten b: 
Plum Curculio, 22. 
Horn, G. H., Review of the Species o 
Lachnosterna cited, 48. 
Hulst, Geo. D., on American Plum Borer, 2S 
Hungarian grass as decoy for Chine] 
Bug, 86. 
Hymenoptera, parasitic, 5, 44. 
I 
ilicis, Lachnosterna, 36, 37, 41, 47, 51. 
Illinois State Agricultural Society, Trans¬ 
actions, cited, 64. 
Entomologist of. Reports, cited, IX 
33, 34, 54, 55, 56, 59, 64, 75, 76. 
Horticultural Society, Transactions 
cited. X. 
