INDEX TO MALEFACTORS 



157 



Pityophthorus confinis Lee., 47. 

 Pityophthorus minutissimus Zimm., 



68. 

 Pityophthorus nitididus Mann., 45, 



51, 54. 



Pityophthorus pruinosus Eichh., 68. 

 Pityophthorus pubipennis Lee., 68. 

 Pityophthorus puncticollis Lee., 45, 



47, 51. 



Pityophthorus querciperda Schw., 68. 

 Plagionotus speciosus Say, 74. 

 Platypus, 43, 53, 54. 

 Platypus compositus Say, 57, 67, 



68. 



Polygonia interrogationis Fab., 86. 

 Polygraphus rufipennis Kby., 50. 

 Polyporacece, 117. 

 Polyporus annosus, 120. 

 Polyporus applanatus, 122. 

 Polyporus betulinus, 122. 

 Polyporus carneus, 121. 

 Polyporus catalpce, 121. 

 Polyporus fomentarius, 122. 

 Polyporus fraxinophilus, 121. 

 Polyporus fulvus, 122. 

 Polyporus igniarius, 122. 

 Polyporus juniperinus, 121. 

 Polyporus libocedris, 122. 

 Polyporus nigricaus, 122. 

 Polyporus obtusus, 122. 

 Polyporus pergamenus, 122. 

 Polyporus pinicola, 122, 123. 

 Polyporus ponderosus, 123. 

 Pofyporus schweinitzii, 121. 

 Polyporus squamosus, 122. 

 Polyporus sulfureus, 122. 

 Polyporus rimosus, 114, 121. 

 Polyporus versicolor, 121. 

 porcupine, 18. 

 Porthetria dispar, Linn., 85. 

 Prionoxystus robinice Peck., 85, 87. 

 Prionus laticollis Dru., 48, 64, 67, 



68. 



Proctotrypoidea, 20. 

 Pseudococcus aceris Goeff., 106. 

 Psychidce, 81. 

 Psyllidoe, 29, 34. 

 Pterocydon fasdatum Say, 57. 

 Pterocydon mali Fitch., 50, 57, 66, 



68, 72. 



Pteronus ventralis Say, 95. 

 Ptilinus ruficornis Say, 74. 

 Ptfnwte, 21, 29, 32, 34. 

 Ptininido3, 47, 59, 63, 74, 76. 

 Pulvinaria innumerabilis Rathy, 



106. 

 PyralidcB, 89. 



Pyrenomycetes, 116, 118. 

 Recurvaria obliquestrigetta Cham., 78. 

 Reduviidce, 20. 



Rhagium lineatum Oliv., 43, 48, 50. 

 Rhizococcus, 101, 102. 

 Rhododendron, 112. 

 sand, shifting, 139. 

 Saperda, 72. 



Saperda calcarata Say, 64. 

 Saperda concolor Lee., 64. 

 Saperda discoidea Fab., 63. 

 Saperda tridentata Oliv., 69. 

 Saperda vestita Say, 75. 

 SaturniidoB, 82, 83, 85, 88, 89, 90. 

 Scarabceidce, 21, 29, 36, 62, 68, 76. 

 Schizoneura imbricator Fitch., 103. 

 Saara oceWata O. S., 100. 

 ScolytidoB, 21, 29, 31, 33, 35, 43-61, 



63, 65-70, 72, 74-76. 

 Scolytus, 50, 55. 

 Scolytus prceceps Lee., 55. 

 Scolytus quadrispinosus Say, 63. 

 Scolytus rugulosus Ratz., 72. 

 Scolytus subscaber Lee., 55. 

 Scolytus unispinosus Lee., 49, 54. 

 Schizoneura americana Riley, 105. 

 Schizophyllum commune, 123. 

 sedge, broom, 16. 

 sedge-grass, 109. 

 Selandria diluta Cress., 96. 

 S erica trociformis Burm., 68. 

 Serropalpus barbatus Schall., 50, 56. 

 Sesiidce, 29, 77, 80, 88. 

 Sinoxylon basilare Say, 63. 

 SiriddcB, 29, 92, 94, 96, 98. 

 sleet, 134. 

 smilax, 109. 

 snow, 134. 



Sphingidoe, 77, 82, 86, 90, 91. 

 Sphinx Kalmice S. & A., 90. 

 squatters, 7. 

 squirrels, 16. 

 Sthenopis argenteomaculatus Harr., 



84. 



storm, 114, 136. 

 sulphur fumes, 141. 

 sunscald, 133. 



Symmerista albifrons S. & A., 85. 

 Syrphidce,2Q,21. 

 Systena marginalis 111., 63. 

 Telea polyphemus Cram., 82, 83, 85, 



88, 89. 

 TenthredinidcB, 29, 34, 92, 93, 94, 



95, 96, 97. 

 Termitidae, 107. 

 Tetropium cinnamopterum Kby., 50. 



