135 



Service-berry, Wild, infested by Beet 



Aphis, xxi, 159. 

 servus, Euschistus, xxiii, 195. 

 Setaria, xv 6; xvii, 62; xxiv, 26. 

 as food plant of Chinch-bug, xv, 94. 

 of Corn Root-aphis, xviii, 60, 



61. 62. 

 of Epicasrus imbricatus, xvi, 76. 

 of Sphenophorus. xvi, 70. 

 destroyed by White-grubs, xviii, 112. 

 germanica infested by Corn Root- 

 aphis, xviii, 61. 

 glauca infested by Schizoneura ve- 



nusta, xviii, 93. 

 infested by Schizoneura panicola, xiii, 



42. 51, 52; xviii, 86, 87, 88, 89. 

 italica infested by Schizoneura ve- 



nusta, xviii, 93. 

 verticillata infested by Schizoneura 



venusta. xiii, 52. 

 viridis infested by Schizoneura venus- 

 ta, xiii. 52; xviii, 93. 

 Yellow Sorghum Plant-louse on, xxiii, 

 210. 

 setarise, Tychea, xviii. 101. 

 sexnotata, Cicadula, xxi, 67, 77; xxiii, 

 121, 123. 

 Paria, xiii, 159, 161. 

 Shelbv. W. T„ xvi, 50. 

 Shelton. E. M.. xvi, 45. 

 Shepard, Jas., H., xxi, 57. 

 Shepherd's-purse infested by Geoica 



squamosa, xviii, 99, 100. 

 Shepley, H., Misc. Ess., 27. 

 Shimer, Henry, xvii, 75 : xix, 20. 

 Shinn, James R., xxiv, 80. 

 Short-winged Green Grasshopper, xxiii, 



212. 

 Shrubbery injured by red spiders, xxiii, 

 223. 

 bv Strawberry Crown-girdler, xxiii, 

 193. 

 Shrubs and trees as breeding places of 

 Flatas, xxiii, 203. 

 buds and leaves of, as food of W- 



marked Cutworm, xxiii, 31. 

 injured by Dingy Cutworm, xxiii, 27. 



by tree-crickets, xxiii, 216. 

 leaves of, as food of Saddle-back 

 Caterpillar, xxiii, 173. 

 Sibine stimulea, xxiii, 173. 

 signata, Hyperaspis, xiv, 33, 104. 105; 



Misc. Ess., 25 ; xv, 6. 

 Silk-fly, xxiii, 188. 

 Silkworm, disease of, xiv, 7 ; xix, 18, 19, 



20; xx, 107. 

 Silphidse infected with Sporotrichum, 



xix, 74. 

 Silphium, Diabrotica atripennis on, xxiii, 



Silphium — Continued. 



integrifolium as food plant of Rhyn- 

 chites hirtus, xvi, 75. 

 Silvanus advena, Misc. Ess., 94. 

 cassise, Misc. Ess., 93. 

 surinamensis, Misc. Ess., 93. 

 silvaticum, Orchelimum. xxiii, 144. 

 similalis, Loxostege, xxiii, 89, 227. 

 Simonds, O. C, xxiv, 102, 108. 

 simoni, Primus, xvii. 26, 27. 

 simplex, Anabrus, Misc. Ess., 118; xxiii, 



148. 

 Sipha maydis, xiii, 40. 



sp., xiii, 40. 

 Siphocoryne avenae, xxiii 206. 

 Siphonophora avenae, xvii, X; xviii, 56. 

 infection experiment with, xix, 51. 

 fragarise, xiii, 103. 



and var. immacnlata infesting Straw- 

 berry, xiii, 62, 98, 99, 100. 

 granariae, xiii, 40. 

 minor, xiv, 79. 



description of, xiii, 101-102. 

 infesting Strawberry, xiii, 62, 98, 



101. 

 parasites of. xiii, 103. 

 rosae, xiii, 101. 



rate of mu'tiplication of, xviii, 56. 

 sp., description of, xiii, 50. 53. 

 infesting Sorghum, xiii, 42, 50. 

 Sirrine. F. A., xxi, 60, 61, 62, 101 : 



xxiii, 33. 

 Sisymbrium canescens infested by Agal- 



lia uhleri, xxi, 70. 

 Sitodrepa panicea, Misc. Ess., 97. 

 Sitotroga cerealella. Misc. Ess., 89. 

 Skunks as enemies of White-grubs, xviii, 



124. 

 Slingerland, M. V., xviii, 56; xxi, 57; 

 xxii, 108, 122, 124, 132, 133; xxiii, 49. 

 51 ; xxiv, 47, 141, 151, 152. See also 

 Comstock, J. H., and Slingerland, 

 M. V. 

 Small Green Grasshopper, xxiii, 142, 



229. 

 Smaller Corn Stalk-borer, Misc. Ess.. 

 86; xxiii, 10, 94-95, 232. 

 meadow-grasshoppers, xxi, 136; xxiii, 



147-148. 

 plant-bugs, xxi, 93-96. 

 Smartweed, xvii, 65 ; xviii, 156. 

 as food plant of Apantesis arge, xxiii, 

 75. 

 of Common Striped Cutworm, 



xxiii, 34. 

 of Corn Root-aphis, xvii, 66; 

 xviii, 60, 61, 62, 75 ; xxiv, 

 14, 16. 

 of Flea, or Common, Negro- 

 bug, xvi, 51 ; xxi, 100. 



