208 MISC. PUBLICATION 278, U. 8. DEPT. OF AGRICULTURE 
M oths—Continued. Rhyncolus, 154. 
pine tip, 29, 39. Rollers, leaf, 78. 
pine tube, 82. Roots insects, 23-28. 
pitch, 4, 38, 40, 139. Rosalia, 154. 
pitch nodule, 40. Rots, wood, 11. 
satin, 72. Salvage, 193. 
sequoia pitch, 139. Saperda, 137. 
spruce bud, 84. Saplings, 28. 
spruce pitch, 140. Sap-sucking insects, 44. 
tiger, 66. Satin moth, 72. 
tip, 4, 8, 37. Sawflies— 
tussock, 69. broadleaf, 92. 
twig, 8, 37. conifer, 89. 
wood-boring, 154. cottonwood, 92. 
Zimmerman pine, 38. cypress, 91. 
Myeloborus, 31, 82. elm, 92. 
Necydalis, 154. general mention of, 23, 52, 60, 87, 89, 92. 
Needle miners, 88. hemlock, 91. 
Needle tier, lodgepole, 82. larch, 91. 
Nematus, 91. lodgepole pine, 90. 
Neoclytus, 37, 154. Monterey pine, 9/. 
Neodiprion, 82, 90, 91. two-lined larch, 97. 
Neophasia, 62. western larch, 91. 
Niches, egg, 97. willow, 92. 
WNorthorhina, 154. Sawyers— 
Notolophus, 71. obtuse, 153. 
Nursery insects, 23. Oregon fir, 162. 
Oberea, 37. spotted pine, 162. 
Oeme, 37. Scales— 
Oligonychus, 62. California pine, 50. 
Oligotrophus, 54. insects, 24, 29, 44, 49, 176. 
Oncideres, 37. pine needle, 50. 
Opsimus, 37. Scarabaeidae, 24. 
Orthotomicus, 31, 110, 118. Schnizolachnus, 46. 
Ostomatidae, 170. Scierus, 128. 
Ostomid, 99. Scobicia, 161. 
Pandora moth, 9, 64. Scolytidae, 27, 30, 56, 96, 143. | 
Paranthrene, 140. Scolytus, 32, 56, 119, 122, 123, 124, 125, 128, 129. 
Parasites, 170. Secondary insects, 4. 
Paratimia, 21. Seed insects, 16-23. | 
Parharmonia, 140. Seed midges, 20. 
Peronea, 81. Seedling insects, 28. 
Petrova, 37, 40. Semanotus, 137. 
Phloeosinus, 32, 33, 56, 129, 131. Shrews, 170. 
Phryganidia, 68. Sirex, 187. 
Phyllocnistis, 87. Siricidae, 166. 
Phyllonorycter, 86, 87. Slash, 110, 119, 167, 168, 170. 
Phy matodes, 137. Slugs, 87. 
Physokermes, 51. Smelter smoke, 11, 167. 
Pine, ‘‘birdseye,”’ 54. Snags, 9. 
Pineus, 47, 48, 49. Snowbreak, 110, 167. 
Pinipestis, 37, 89. Spanworms, 74. 
Pissodes, 33, 34, 35, 138, 139, 154. Spider mites, 51. 
Pitch moths, 38, 40, 139. Spider, red, 44, 52. 
Pityoborus, 31. Spiders, 12. 
Pityogenes, 31, 56, 98, 110, 717, 118. Spotting, 184. | 
Pityokteines, 32, 56. Spraying, 52, 59, 60, 66, 72, 90, 176, 177. | 
Pityophilus, 31. Sprays, 44, 45, 50, 81, 175, 176. 
Pityophthorus, 31, 32, 56, 118. Squirrels, 66. 
Plantations, 7, 23, 28. Stagnation, forest, 170. | 
Platycampus, 91. Stilpnotia, 72. | 
Platypodidae, 148. Sun seald, 11. | 
Platypus, 146. Suppression methods, bark beetle, 186. 
Poecilonota, 150. Survey methods, 182. 
Pogonocherus, 37. Surveys, barkbeetle, 180, 181, 182. 
Poles, 28. Susana, 91 
Polycaon, 160,161. Synaphoeta, 154. | 
Polycesta, 150. Taniva, 86. 
Polyhedral bodies, 169. Temperature, 166. : | 
Polyphylla, 25. Tent caterpillars, 72, 164. 
Predators, 170. Terminal insects, 29. | 
Prionozystus, 166. Termites, 72, 141, 161, 162. 
Prionus, 151. Tetranychus, 52. | 
Projects, bark-beetle-control, 184. Tetropium, 135. 
Pseudococcus, 51. Thecodiplosis, 53. | 
Pseudohylesinus, 27, 32, 56, 119, 122, 124, 125, 126, 128, 129. | Theronia, 63. 
Pseudopityophthorus, 33, 132. Tier, lodgepole needle, 44, 82, 90. | 
Pterocyclon, 147. Tiger moths, 66. || 
Pteronidea, 92. Tip moths, 39, 42. | 
Ptinidae, 159. Tipula, 166. || 
Pyralid, cone, 19. Tortricidae, 44, 78. | 
Pyralidae, 37, 140. Tortriz, 82. | 
Recurvaria, 85, 86. Toumeyella, 51. | 
Renocis, 132. Trachykele, 149, 150. 
Retinodiplosis, 54, 56. Tragasoma, 153. | 
Rhopalomyia, 54. Trichiosoma, 92. | 
Rhyacionia, 29, 37, 39, 40. Trichogramma, 71. i 
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