54 



Phylloiiertha horticola, injuring grass in Norway, IX, 79. 

 Phyllotreta armoraciie, found in Wisconsin, IX, 21. 

 Phylloxera vastatrix, notes on, in California, XXVI, 93. 

 ravages of, in South Africa, IX, 37. 

 a new remedy against, XXX, 95. 

 Physostomuni frenatum, hosts of, V, 248. 



lineatum, description and host of, V, 248. 

 Phytomyza chrysanthemi, work against, XXVI, 34. 

 Phytonomus nigrirostris, damage by in Canada, XXVI, 96. 

 punctatus, effect of cold winter on, XXII, 57. 



injury by, in Maryland, IX, 80; XVII, 93; XXVI, 81. 

 occurrence in Canada, XXVI, 96. 

 spread of, in Ohio, II, 90. 

 Phytophagic varieties, in Coccidfe, II, 91. 

 Phytoptus phlceocoptes, on plum in Ohio, XVII, 100. 



pyri, injuring pears in Norway, IX, 80. 

 Pieris brassicse, injuring cabbage in Norway, IX, 79 

 protodice, rare in Georgia, XX, 59. 



in 1900, XXX, 67. 

 rapa?, abundant in Maryland, VI, 65; XX, 68; XXVI, 82. 

 destructive in Georgia, XX, 59. 

 effect of cold w'inter on, XXII, 56. 

 in Colorado, XXVI, 79. 



1900, XXX, 70. 

 spread of in Canada, XXVI, 95. 

 Pimpla conquisitor, its relations to Clisiocampa americana, XX\'I, 33. 

 parasite of Clisiocampa americana, XVII, 77. 

 inquisitor, parasite of Orgyia leucostigma, IX, 16. 

 pedalis and P. tenuicornis, parasites of the gipsy moth, \'I, 52. 

 Pionea rimosalis, effect of cold winter on, XXII, 55. 



injuring cauliflower in Georgia, XX, 59. 

 in 1900, XXX, 66. 

 Piophila casei, life history of, IV, 103. 



remedies for, IV, 104. 

 Plathypena scabra, account of, XXX, 45. 

 Platygaster herrickii, parasite of Hessian fly, X\'I, 35. 

 Platynota flavedana, on roses, XXVII, 88. 

 Platynus maculicollis, abundance of, in California, XXX, 90. 

 Platypus compositus, habits of, VII, 14. 

 flavicornis, mention of, VII, 15. 

 quadridentatus, mention of, Vll, 15. 

 Plocamus hispidulus, on chestnut, VII, 72. 

 Plodia interpunctella, food habits of, IV, IIS. 



in dried apples, XXVII, 13. 

 life history of, IV, 119. 

 parasites of, VIII, 41. 

 sulphur as a remedy fur, XXX, 88. 

 Plum scale, in Ohio, II, 89. 

 Plusia balluca, in New York, VI, 55. 



brassicfe, destructive in Maryland, X\'1I, 94. 

 effect of cold winter on, XXII, 59, 

 in 1900, XXX, 67. 

 note on, XXX, 84. 

 rare in Georgia XX. 59. 



