202 NEW YORK STATE MUSEUM 
Phloeosinus (continued) 
sequoiae, 130. 
Phloeotribus, 80, 130-32. 
americanus, 78. 
dubius, 78. 
frontalis, 78, 131. 
liminaris, 131-32. 
puberulus, 132. 
setulosus, 78. 
Phytoptid galls, 66. 
piceae, Cryphalus, 92. 
piceaperda, Dendroctonus, 97-08. 
piceus, Hylastinus, 78. 
pilosulus, Pityophthorus, 136. 
pilosus, Pityophthorus, 136. 
pini, Ips, 78, 125. 
See also grandicollis. 
Xyleborus, 155. 
pinifex, Hylurgops, 114. 
piniperda, Hylesinus, 77. 
pipiens, Culex, 59. 
Pistol case bearer, 47. 
Pityogenes, 82, 132-33. 
carinulatus, 132. 
fossifrons, 132. 
plagiatus, 133. 
punctipennis, 133. 
sparsus, 133. 
Pityophthorus, 82, 133-40. 
annectens, 134. 
cariniceps, 134. 
comatus, 134. 
concentralis, 134. 
confinus, 135. 
coniperda, 134. 
consimilis, 135. 
cribripennis, 76. 
deletus, 135. 
digestus, 135. 
lautus, 135-36. 
minutissimus, 139-40. 
nitidulus, 136. 
obliquus, 136. 
opaculus, 136. 
pilosus, 136. 
pruinosus, 137. 
puberulus, 137. 
pubipennis, 137-38. 
pulchellus, 138. 
pulicarius, 138. 


Pityophthorus (continued) 
pullus, 76, 138-30. 
puncticollis, 139. 
pusio, 140. 
seriatus, 140. 
tomentosus, 140. 
tuberculatus, 140. 
plagiatus, Pityogenes, 133. 
Plagionotus speciosus, 60, 61, 62. 
planicollis, see fuscatus. 
plastographus, Ips, 125-26. 
Plates, explanation of, 161-94. 
Platypodidae, key to genera, 79. 
Platypodinae, 79, 83-86. 
Platypus, 83-86. 
compositus, 84. 
cylindrus, 85. 
flavicornis, 85. 
punctulatus, 85. 
quadridentatus, 85-86. 
rugulosus, 86. 
Plecoptera, 9. 
Podisus sp., 64. 
politus, Xyloterus, 149-50. 
Pollenia rudis, 24. 
Polygonia comma, 64. 
Polygraphus, 80, 140-41. 
?brevicornis, I4I. 
rufipennis, I4T. 
pometaria, Alsophila, 45, 63. 
pomonella, Rhagoletis, 66. 
ponderosae, Dendroctonus, 08. 
Poplar, Carolina, poplar sawfly in- 
juring, 13. 
Poplar sawfly, 13-15. 
porculus, Tomicus, 145-46. 
porosus, Tomicus, 146. 
Porthetria dispar, 41-45, 61, 62, 64. 
Potamanthus diaphanus, 74, 75. 
inequalis, 74-75. 
praeceps, Eccoptogaster, 105. 
praefrictus, see pini. 
praemorsus, see calligraphus. 
pratensis, Bryobia, 65. 
Printers ink, 46. 
propinquus, Xyleborus, 155. 
pruinosus, Hylesinus, see aculeatus. 
Pityophthorus, 137. 
' pseudotsugae, Dendroctonus, 95. 
