58 



Scatophaga furcata, lial)le to carry disease, XXX, 44. 



Scelio hyalinipennis, bred from Melanoplus differeutialis, XXX, 23. 



cedipodfe, bred from Melanoplus differentialiH, XXX, 23. 

 Scepsis fulvicoUis, injurious in Wyoming, XVIII, 99. 

 Scheele's green, experiments with, YI, 30. 

 Schistocerca americana, effect of cold winter on, XXII, 56. 



damage by, in Mississippi, XXX, 27. 

 in 1900, XXX, 6S. 

 obscura, damage by, in Mississippi, XXX, 27. 

 Schizoneura americana, abundant on white elm in Colorado, IX, 78. 

 lanigera, damage by, in Colorado, XXVI, 7S. 

 increase of, in Ohio, II, 91. 

 notes on life history of, XVII, 70; XVIII, 78. 

 worse in Virginia than San Jose scale, XVII, 43. 

 Sciara inconstans, account of, XXVII, 108. 

 Scolytid injuring vinegar barrels, XVII, 47. 

 Scolytus prfeceps, an enemy of fir, XXI, 2t). 

 4-spino8us, damage by, VI, 79. 

 rugulosus, attacking healthy trees, XIX, 96. 

 common in Georgia, XX, 58. 

 damage in Maryland, VI, 65; XXVI, 82. 

 sp., destructive to white fir, XXI, 16. 

 unispinosus, an enemy of red lir, XXI, 16, 21. 

 work of, II, 35, 77. 

 Screw-worm =Compsomyia macellaria. 

 Scutellista cyanea, establishment of, in California, XXVI, 16. 



introduced into this country, XVII, 13. 

 Scutigera forceps, distribution of, IV, 48. 

 food habits of, IV, 49. 

 poison of, IV, 50. 

 remedies for, IV, 50. 

 Scymnus lophanthfe, feeding on San Jose scale, III, 53. 



marginicollis, mistaken for Rhizobius debilis, VI, 48. 

 Sejus auris, mention of, V, 255. " 

 Selandria cerasi, called " pear-tree i>syna" in British Columbia, VII, 84. 



vitis, in Ohio, XX, 71. 

 Semiotellus destructor, in Iowa, VI, 80. 

 Sesamia nonagrioides, in sugarcane, XVIII, 90. 

 Sesia rutilans, account of, XXIII, 85. 



tipuliformis, abundant in Colorado, XXVI, 78. 

 Shade-tree insects, II, 40. 



Signophora nigrita, parasite of Aspidiotus forbesi, VI, 75. 

 Silpha opaca, injuring cabbage in Xorway, IX, 79. 

 Silvanus abeillei, mention of, VIII, 11. 



bicornis, notes on the distinctness nf, VIII, 10. 

 denticollis, mention of, VIII, 1 1 . 

 fauveli, mention of, VIII, 11. 

 gossypii, description and food haliits of, ^'III, 12. 

 mercator, occurrence of, in this country, VIII, 12. 

 surinamensis, food habits of, I\ , 121. 

 life history of, IV, 122. 

 notes on, XX, 67. 

 Simulium canescens, notice of, V, 57. 



columbatzense, habits of, V, 38. 



