110 



Pear as food plant — Continual. 



of Goldsmith-beetle, xiii, 146, 



148. 

 of Horned Spanwonn, xiii, 79. 

 of May-beetles, xviii. 114. 

 of Smartweed Caterpillar, xxiii, 

 170. 

 -blight, xxii, 99, 101. 

 appearance of stock affected by. and 

 measure necessary to check it, 

 xxii, 101, 125. 

 bacterium causing, xxii, 124. 

 trees and plants subject to, xxii, 

 101, 125. 

 -burner, xxiv, 49. 

 California wash for, xxii, 53, 55. 

 crown-gall of, xxii, 111. 

 effect of kerosene emulsion on, xxii, 



48, 51, 52. 

 infested by Melon Aphis, xxi, 81. 

 by San Jose Scale, xx, 1, 2, 3, 8, 



9, 10, 11; xxi, 4. 5, 6, 13, 17. 

 by Soft Maple Bark-louse, xiv, 103. 

 by Walnut Scale, xxii, 115. 

 injured by Cigar-Case-bearer, xxi, 

 146. 

 by Common Jumping Fear-louse, 



xiv, 98. 

 by Flea Negro-bug, xiii, 107, 110. 

 by Tarnished Plant-bug, xiii, 116, 



122, 123. 

 by Yellow Jumping Pear-louse, xiv, 



ioo. e , 



Japanese, infested by San Jose Scale, 



xxi, 5. 

 Kieffer, and San Jose Scale, xx, 11. 

 -leaf blister, xxii, 99. 



appearance of, xxii, 102, 132, 133. 

 description of mite causing, xxii, 



133. 

 destruction of same, xxii, 134. 

 winter quarters of same, xxii. 102, 

 133 

 -leaf Mite, xxii, 99, 102. 133. See also 



above, 

 leaves mined by Apple Ormx, xv, 52. 

 -louse. Common Jumping, article on, 

 cited, xiv, 99. 

 Yellow Jumping, xiv, 98-100. See 

 under Jumping. 

 sprayed with crude petroleum, xxu. 

 92; effect, 93. 

 with kerosene, xxii, 92; effect, 93; 

 emulsion, xxii, 42, 46, 47. 

 subject to injury by Cottonj Maple 

 Scale, xxiv, 103. 

 by Fruit Bark-beetle, xvii, 6. 

 treatment of, with hydrocyanic acid 



gas, xxii, 28, 29, 37, 40. 

 -trees defoliated by Anomala undula- 

 ta, xxiii, 186. 



Pear-trees — Continued. 



flamed with gasoline blast-lamp to 



destroy San Jose Scale, xxiv, 46. 



young, destroyed by Pale-striped 



Flea-beetle, xxiii, 108. 



Pears burrowed by Euphoria inda and 



E. sepulchralis, xxiii, 101. 



eaten into bv adult Banded Ips, xviii, 



24. 

 injured by Striped Cricket, xxiii, 215. 

 prickly, gasoline blast-lamp used to 



burn thorns from, xxiv, 44. 

 ripe, injured by Western Green June- 

 beetle, xxiii, 102. 

 Pebrine. xix, 18, 19. 



Pecan as food plant of May-beetles, 

 xxiv, 144. 

 of San Jose Scale, xx, 1 ; xxi, 

 13. 

 Pegomyia fusciceps, xxiii, 9. 70. 

 vicina, description of stages of, cited, 

 xxi, 61. 

 injury by, xxi, 59-60. 

 measures against, xxi, 62. 

 Pelecinus polyturator as parasite of 

 White-grubs, xviii, 124, 134; xix, 79. 

 pellucida, Camnula, xxiii, 139-140. 

 Pempelia hammondi, xiv, 7, 97-98; xv. 

 58-64, 76. See Apple Leaf-skel- 

 etonizer. 

 lignosella, Misc. Ess., 86. 

 Pemphiginse, xviii, 101, 106. 

 Pemphigus beta? as a beet insect, xxi, 

 52, 80. 159-161. See under Beet 

 Aphis, 

 boyeri, xiii, 40. 

 penicellus. Centrums, xxi, 143, 145. 

 Penicilium, xx, 94: xxi, 31. 



on Chinch-bug, xix, 88. 

 Pennsylvania Field-cricket, xxiii. 2J4. 

 pennsylvanica, Disonycha, xvii, 81, 82; 

 xviii. XI ; xix, 29, 33, 39, 40, 41. 

 Epicauta, Misc. Ess., 19, 107; xxi, 138, 

 141; xxiii. 111. 

 pennsylvanicum. Polygonum, xiv, 90; 



xvi, 76. 

 pennsylvanicus, Gryllus, xxiii, 214, 219. 

 Pentatoma uhleri, xxi, 97-99: xxiii, 116- 



117. 

 Pentatomidae, xiv. 78; xxi. 97-99; xxiii. 



194-196, 233. 

 Pentilia misella as enemy of San Jose 



Scale, xxi, 43. 

 Pepper as food plant of Army-worm, 

 xxiii, 49. 

 of Ear-worm, xxiii, 67. 

 -bush, Sweet, as food plant of Rasp- 

 berry- Measuring-worm, Misc. Ess., 

 129. 

 grass infested by Melon Aphis, xxi, 84. 

 by San Jose Scale, xxi. 42. 



