INDEX TO MALEFACTORS 



157 



Pityophthorus confinis Lec. ; 47. 

 Pityophthorus minutissimus Zimm., 



68. 

 Pityophthorus nitidulus Mann., 45, 



51, 54. 

 Pityophthorus pruinosus Eichh., 68. 

 Pityophthorus pubipennis Lee, 68. 

 Pityophthorus puncticollis Lee, 45, 



47, 51. 

 Pityophthorus querciperda Schw., QS. 

 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. 

 Polyporus schweinitzii, 121. 

 Polyporus squamosus, 122. 

 Polyporus sulfur eus, 122. 

 Polyporus rimosus, 114, 121. 

 Polyporus versicolor, 121. 

 porcupine, 18. 

 Porthetria dispar, Linn., 85. 

 Prionoxystus robinice Peck., 85, 87. 

 Prionus laticollis Dm., 48, 64, 67, 



68. 

 Proctotrypoidea, 20. 

 PsemfocQccus acem Gceff., 106. 

 Psychidce, 81. 

 Psyllidce, 29, 34. 

 Pterocyclon fasciatum Say, 57. 

 Pterocyclon mali Fitch., 50, 57, 66, 



68, 72. 

 Pteronus ventralis Say, 95. 

 Ptilinus ruficornis Say, 74. 

 Ptinidce, 21, 29, 32, 34. 

 Ptininidce, 47, 59, 63, 74, 76. 

 Puivinaria innumerabilis Rathy, 



106. 

 PyraUdce, 89. 



Pyrenomycetes { 116, 118. 

 Recurvaria obliquestrigella 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. 

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

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

 Schizoneura imbricaior Fitch., 103. 

 Sciara ocellata 0. S., 100. 

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



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

 Scolytus, 50, 55. 

 Scolytus prozceps 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. 

 Serica trociformis Burm., 68. 

 Serropalpus barbatus Schall, 50, 56. 

 Sesiidce, 29, 77, 80, 88. 

 Sinoxylon basilare Say, 63. 

 Siricidm, 29, 92, 94, 96, 98. 

 sleet, 134. 

 smilax, 109. 

 snow, 134. 



Sphingidm, 77, 82, 86, 90, 91. 

 Sphinx Kalmim S. & A., 90. 

 squatters, 7. 

 squirrels, 16. 

 Sthenopis argenteomaculatus Harr., 



84. 

 storm, 114, 136. 

 sulphur fumes, 141. 

 sunscald, 133. 



Symmerista albifrons S. & A., 85. 

 SyrphidcBi 20, 21. 

 Systena marginalis 111., 63. 

 jTeZea polyphemus Cram., 82, 83, 85, 



88, 89. 

 Tenthredinidce, 29, 34, 92, 93, 94, 



95, 96, 97. 

 Termitidce, 107. 

 Tetropium cinnamopterum Kby., 50. 



