83 



Pine worm, 60. 

 Phobetron pithecium, 49. 

 Phyllotreta sinuata, 47. 

 vittata, 47. 

 Phylloxera, experiments with resin compounds 



on, 37. 

 Plant lice, 47. 

 Plochionns timidus, 50. 

 Plum curculio, 47. 



Plusia brassicae attacking beets, 14. 

 Potato stalk weevil, 60. 

 Proteopteryx spoliana, description of larva and 



adult, 52. 

 Psychouiorpha epimenis, 55. 

 Psylliodes convexior on leaves of beets, 15. 

 Purshia tridentata, 42. 

 Purslane bug, 16. 

 Quercus agrifolia, 42. 

 Red scale destructive to citrus trees, 19. 



gas treatment for, 20. 

 Red spider, 26. 



Remedies against beet insects, 18. 

 Resin compounds on phylloxera, 37. 



wash for San Jose scale, 27. 

 Rhamnus californica, 43. 

 Rhus copalina, 49. 



glabra, 49. 

 Saddle-back caterpillar, 49. 

 San Jose scale, 26. 



resin wash for, 27. 

 Salt and lime wash, 32. 

 and sulphur wash, 32. 

 wash for scale insects, 31. 

 Saturnia io, 49. 



Scale insects, methods for destroying, 19. 

 Schizoneura lanigera, 26, 54. 

 Selandria cerasi, 60. 



rosae, 55. 

 Silpha opaca, occurrence in beet fields, 17. 

 Silver-top in grass, 58. 

 Siphonophora avenae. 47, 54. 

 cratasgi, 54. 



Siphonophora pisi, 17. 

 rosae, 56. 

 rudbeckiae, 54. 

 Snout-beetles attacking beet, 15, 16. 

 Sodworm, 58. 

 Solanum nigrum, 15. 



Spharagemon aequale feeding on sugar-beet, 14. 

 Sphinx quinque-maculata, 55. 

 Spilosoma Isabella injuring beet leaves, 13. 



virginica injuring beet leaves, 13. 

 Steganoptycha sp., description of larva. 52. 

 description of imago, 53. 

 salicicolana, 53. 

 Stinging larvae, 48. 

 Striped flea-beetles, 47. 

 Sugar beet culture, suggestions in regard to, 11. 



insects, 11. 

 Sulphur wash for scale insects, 32. 

 Systena frontalis, 15. 



taaniata var. blanda, 15. 

 Tachina flies parasitic on clisiocampa, 43. 

 Taeniocampa, 43. 

 Tetranychus telarius, 26. 

 Tomonotus sulphurous, 59. 

 Trapezonotus nebulosus, 16. 

 Trichobaris trinotatus, 60. 

 Trimerotropis latifasciata, 14. 

 Trioxys, 48. 

 Turf web-worm, 58. 

 Turnus butterfly, 59. 

 Vedalia cardinalis, 19. 

 Washes for scale insects, 27, 30, 31 , 34. 



experiments with, 31. 

 "Webster, F. M., report by, 63. 

 White grubs attacking beet roots, 17. 



pine worm, 60. 

 Wickson, E. J., letter, 75. 

 Wire-worms on beets, 17. 

 Wisteria, 49. 

 Woolly Aphis, 26. 

 X. O. dust, experiments with, 54. 

 Yellow scale, 29. 



