INDEX TO MALEFACTORS 



157 



Pityophtfiorus confinis Lee., 47. 

 Pityophthoms minutissimus Zimm., 



68. 

 Pityophthorus nitiduliis Mann., 45, 



51, 54. 

 Pityophthorus pruinosus Eichh., 68. 

 Pityophthorus pubipennis Lee, 68. 

 Pityophthorus puncticoUis Lee, 45, 



47, 51. 

 Pityophthorus querciperda Schw., 68. 

 Plaqtonotus 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 applanntus, 122. 

 Polyporus betulinv^, 122. 

 Polyporus cameiis, 121. 

 Polyporus catalpoe, 121. 

 Polyporus fomentariu^, 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. 

 Polyporus schweinitzii, 121. 

 Polyporus squamosus, 122. 

 Polyporus sulfureus, 122. 

 Polyporus rimostis, 114, 121. 

 Polyporus versicolor, 121. 

 porcupine, 18. 

 Porthetria dispar, Linn., 85. 

 Prionoxystus rohinice Peck., 85, 87. 

 Prionv^ laticoUis Dru., 48, 64, 67, 



68. 

 Proctotrypoidea, 20. 

 Pseudococcus aceris Groeff., 106. 

 Psychidoe, 81. 

 PsyUidce, 29, 34. 

 Pterocyclon fasciatum Say, 57. 

 Pterocydon mali Fitch., 50, 57, 66, 



68,72. 

 Pteronus ventralis Say, 95. 

 Ptilinus ruficomis Say, 74. 

 Ptinidce, 21, 29, 32, 34. 

 Ptininidoe, 47, 59, 63, 74, 76. 

 Pulvinaria innumerahilis Rathy, 



106. 

 PyraUdce, 89. 



Pyrenomycetes, 116, 118. 

 Recurvaria obliquestrigella Cham., 78. 

 Reduviidoe, 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. 

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

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

 Schizoneura imbricator Fitch., 103. 

 Sciara oceUata O. S., 100. 

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



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

 Scolytus, 50, 55. 

 Scolytus proeceps Lee, 55. 

 Scolytus quadrispinosus Say, 63. 

 Scolytus rugiUosus 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. 

 Serica trociformis Burm., 68. 

 Serropalpus barbatus Schall., 50, 56. 

 Sesiidoe, 29, 77, 80, 88. 

 Sinoxylon basilare Say, 63. 

 Siricidce, 29, 92, 94, 96, 98. 

 sleet, 134. 

 smilax, 109. 

 snow, 134. 



Sphingidce, 77, 82, 86, 90, 91. 

 Sphinx Kalmice S. & A., 90. 

 squatters, 7. 

 squirrels, 16. 

 Sthenopis argenteoTnaculaius Harr., 



84. 

 storm, 114, 136. 

 sulphur fxmies, 141. 

 sunscald, 133. 



Symmerista aOnfrons S. & A., 85. 

 Syrphidoe, 20, 21. 

 Systena marginalis 111., 63. 

 Telea polyphemus Cram., 82, 83, 85, 



88,89. 

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



95, 96, 97. 

 Termitidce, 107. 

 Tetropium cinnamopterum. Kby., 50. 



