112 DECIDUOUS FEUIT INSECTS AND INSECTICIDES. 



Page. 



Euthrips pyri, mouth parts 2-3 



nymph or pupa 9-10 



occurrence 1-2 



oviposition 7-8 



ovipositor 7 



sprays unsatisfactory 12 



Fertilizer, commercial, against peach-tree barkbeetle 101-105 



constituents, used in experiments against peach-tree barkbeetle 104 



Fidia vitidda. {See Grape root-worm.) 



Fig, food plant of Euthrips pyri 5, 11 



Fish-oil soap. {See Soap, fish-oil.) 



Foster, S. W., Johnson, Fred, Girault, A. A., and Quaintance, A. L., paper, 



' ' Demonstration Spraying for the CodUng Moth " 69-76 



Fungi, enemies of Euthrips pyri 15-16 



Fungus, black-knot. {See Black knot.) 



Grape, food plant of Euthrips pyri 5-11 



Harrisina americana 77-79 



Grape-leaf skeletonizer. (See Harrisina americana.) 



Gall, elm, Enarmonia prunivora reared therefrom 50 



Hawthorn, Semasia janthinana reared therefrom 59 



oak, Enarmonia prunivora reared therefrom 50, 53, 59 



Girault, A. A., paper, " The Lesser FeachBorer {SynanthedonpictipesG. & R.)". 31-48 

 Quaintance, A. L., Foster, S. W., and Johnson, Fred, paper, 



"Demonstration Spraying for the Codling Moth" 69-76 



Glyptapanteles sj)., parasite of Harrisina americana 87 



Grape root- worm and vineyard conditions in Lake Erie Valley 62-63 



control recommendations based on observations and results 



of season's work, 1907 67-68 



history 61 



injury to newly bearing vineyards 64-65 



investigations in 1907 61-68 



methods of recording results from spraying experiments 66-67 



renovation experiment on an old, run-down \aneyard 65-66 



spraying experiment in a newly infested vineyard 66 



work undertaken at North East, Pa 63 



varieties attacked by Hanisina americana 79 



wild, food plant of Harrisina americana 79 



Grapholitha prunivora— Enarmonia prunivora 52 



Gregarious habits of Harrisina americana 77, 80, 86, 87 



Hand-picking against grape-leaf skeletonizer 87-88 



Harrisina americana 77-90 



adult 84 



bibliography 88-90 



cocoon 83 



comparison with H. texana 87 



description of stages 80-84 



destructi veness 79 



distribution 79 



pfrtr 80—81 



enemies 87 



food plants 79 



generations 85 



