123 



Pterostichus lucublandus and P. per- 

 mundus feeding on Corn, xxiii, 177. 

 sayi as enemy of Root Web-worm, 

 xiv. 16. 

 Ptycholoma persicana, xiii, 62, 97. 

 pubescens, Agriotes, xviii, 8, 39, 55. 

 Graphops, xiii, Addenda, I. 

 Heteraspis, xiii, Addenda, II. 

 Scelodonta, xiii, Addenda, II ; xiv, 81. 

 puella, Liburnia, xxi, 65, 68. 

 fpugnax, CEbalus. xxiii, 194. 

 pulicaria, Chaetocnema, xiv, 22; Misc. 

 Ess., 106; xviii, VII; xxi, 114, 118; 

 xxiii, 109. 

 Corimela?na, xvi, 51; xxi, 99; xxiii, 

 115, 233. 

 pnlicarins, Latridius, xxiii, 182. 



Thvreocoris, xiii. 62, 106; xvi, XII, 

 51. 

 pullatus, Elasmns. xv, 50. 

 Pullen, B., xiii, 91. 



Pnlvinaria innumerabilis, xiii. 62; xiv, 

 3, 7. 103-109, 115; xv, 6; xxiv, 100- 

 117. 

 pumila, Melanophthalma, xxiii, 182. 

 Pumpkin as food plant of Ear-worm, 

 xxiii, 67. 

 of Garden Web-worm, xxiii, 89, 



91. 

 of Silpha bituberosa, xxi, 137. 

 of W-marked Cutworm, xxiii, 

 31. 

 Strawberry Crown-girdler at roots of, 

 xxiii. 193. 

 Pumpkins eaten into by Larger (or 

 Southern) Corn Root-worm 

 beetle, xvii, 72; xviii. 148. 

 by Northern Corn Root-worm 

 beetle, xviii, 158. 

 punctata, Agallia, xxi, 68. 

 puncticollis, Monoxia, xxi, 52, 115, 127. 

 punctulata. Psylliodes, xxi, 114, 124: 



xxiii. 191. 

 purchasi, Icerya, xx, 22. 

 purpureum, Eupatorium, xxi, 80. 

 Purslane, xxi, 52, 107. 

 as breeding and food plant of Corn 



Root-aphis, xvii, 67; xviii, 61. 

 as food plant of False Chinch-bug, 

 xxi, 96. 

 of Garden Mamestra, xxi, 151. 

 of sarden web-worms, xxi, 106, 



108, 109; xxiii, 89. 

 of Grass-worm, xxiii, 82. 

 of Pale-striped Flea-beetle, xviii, 



22; xxi, 121; xxiii, 108. 

 of Purslane-sphinx, xxi, 155. 

 Bug, Large-eyed, xxi, 95. 

 -caterpillar, xxi, 146, 154-155. 

 coleopterous larva on roots of, xviii, 

 157. 



Purslane — Continued. 

 destroyed by White-grubs, xviii, 12. 

 infested by Large-eyed Purslane Bug, 

 xxi, 95. 

 by Melon Aphis, xxi, 81. 

 -sphinx, xxi, 146, 155-156. 

 pusilla, Phyllotreta, xxiii, 109. 

 Putnam, J. Duncan, xiv, 105. 

 Putnam Scale, xx, 16, 17; xxii, 114. 

 economic importance of, xxii, 115. 

 treatment for, xxii, 116. 

 trees infested by, xxii, 115. 

 winter stage of, xxii, 113. 

 Pyralis farinalis infesting potatoes, xviii, 



X. 

 Pyrameis cardui infested with Sporo- 



trichum globuliferum, xix, 57. 

 Pyraustidae, xxi, 105. 

 Pyrethrum, Misc. Ess., 18. 

 for Cherry-slug, xiv, 117. 

 for Dusky Plant-bug, xiii, 138. 

 for Elm Plant-louse, xiv, 115. 

 for False Chinch-bus, xiii, 106. 

 for plant-lice, xiii. 104. 

 for Rose-slug, xiii, 76. 

 for Soft Maple Bark-louse, xiv, 108. 

 for Spindle-worm, xxiii, 86. 

 for strawberry insects, xiii, 69, 76; 



xiv, 78. 

 for Tarnished Plant-bug, xiii, 132; 



xiv, 80. 

 for willow saw-flies, xiv. 102. 

 Pyrgota undata as parasite of May- 

 beetles, xxiv, 162. 

 pupa and imago of, described, xxiv, 

 163. 

 pyri, Eriophyes, xxii, 132. 

 Psylla, xiv, 98, 100. 

 Xyleborus, xvii, 2. 

 pyrifolias. Trioza, xiv, 98. 

 Pyrrharctia isabella, xxi, 146, 156. See 



under Woolly bears. 

 Pyrrhia, xiv, 89. 

 angulata, xiv, 89. 

 exprimens, xiv, 89. 

 umbra, description of, xiv, 89. 



distribution and life history of. xiv, 



90. 

 injuries to vegetation by, xiv, 90. 

 literature of, xiv, 88-89. 

 pyrrhopus, Rhinoncus, xvi, 77. 

 Pyrus coronaria, xiii, 161. 



Apple Tischeria bred from, xv, 46. 



Q 



quadrigibbus, Anthonomus, Misc. Ess., 



26. 

 4-guttata, Paria, xiii, 159. 

 4-guttatus. Ips. xxiii. 11-12. 181.227.228. 

 4-lineata, Cicadula. xiv, 22, 68; Misc. 



Ess., 117; xxi, 77. 



