109 



Helms, F., on Hessian Fly 23 



Hesperidsp, larvae of 78 



Hessian Fly 3 



asrreement of life history of, with that of Wheat Bulb Worm 32, as 



calendar of the life history of 33 



in experimental sowings 24 



in volunteer wheat 22 



mode of procedure against 30 



parasites 21 



second contribution to a knowledge of the life history of 21-34 



summary and discussion 29 



summary of hreeding-cage results 34 



Heteropterous parasite 4 



Honey Locust, as food i)lant of Common Black Blister Beetle 4 



Hot water for Chinch Bug 101 



Howard, L. O., on parasites of Apple Tischeria 50 



Hymenoptera, parasitic 60,68,69,84 



Hyperaspis, larva of, preying upon eggs of Soft Maple Bark Louse 6 



I 



Ichneumon, parasite of Leaf Grumpier 69 



Ichneumonidae, parasitic 60,68 



Illinois State Department of Agriculture, Report, cited 7,40 



State Entomologist of. Report, cited 21,35,36,60,61,70,75,81,89,100 



State Horticultural Society, Transactions, cited 7,61,81' 



State Laboratory of Natural History, Bulletin, cited 1,57,84 



Indiana State Horticultural Society, Tnuisactions, cited 70 



indiginella juglandis, Phycis , 70 



Slyelois 65,70 



Phycis, 65-74. See under Leaf Grumpier. 



inimicus, Jassus 43 



Innumerabilis, Pulvinaria, eggs of, devoured by larva of Hyperaspis 6 



Insecticides, arsenical poieoub as 2,7,64,74,81,85 



ar.senic 7 



ashes 77 



fas lime 101, 103 



Hammond's slug shot 61 



kerosene emulsion 3 



lime 3,77 



air-slaked 64,69 



London purple 14,20 



Paris green 7, 9, 10, 12, 16, 17 , 18, 19, 20, 64, 70 



soap 1 77 



soluble pinoleum ^ 61 



Insects, common, injuriously affecting the foliage of young apple-trees in the nursery and orchard,45-85 



Apple Leaf Skeletonizer ' 58-64 



Ai>ple Ornix 51-57 



Apple Tischeria 45-50 



Leaf Grum])ler , 65-74 



Lesser A])pie Leaf Roller 75-85 



insidiosus, T'riphleps, as enemy of Glover Seed Midge 4 



Iowa State Horticultural Society, Transactions, cited 60 



Irrigation of fields infested by Chinch Bug 100 



"Isie,"' cited 65 



Ilhycerus noveboracensis, injury to leaf buds of Apple by 5 



J 



Jassus inimicus 43 



K 



Kelly, John A., on sowing timothy with wheat in fall 99 



Kerosene emulsion for Apple leaf insects 3 



for Chinch Bug 101 



Krinard, F. C, on Hessian Fly 



L 



Lasius alienns, collection of Corn Plant Louse eggs by 6 



Leaf Grumpier 65-74 



description 71 



distribution 72 



introduction into new localities 73 



life history , ....70,73 



> literature 65 



parasites 68,69,70,73 



remedies 74 



Rascal, 59,67,69. See Leaf Grumpier. 

 Hoppers, mistaken for grasshoppers 43 



