55 



Plusia brassica?, rare in Maryland, XX, 67. 

 Plutella cruciferarum, abundant in Georgia, XX, 59. 



in Colorado, XXVI, 79. 

 Podabrus rugulosus, feeding on pea lice, XX, 98. 

 Podisus serieventris, feeding on brown-tail moth, XVII, 28. 

 spinosus, killing Crioceris asparagi, XX, 71. 



preying on Loxostege obliteralis, XXVII, 107. 

 Pogonomyrmex barbatus, note on, XXX, 97. 

 Poisoned leaves, repugnance of larvae to, VI, 42. 

 Polistes bellicosus, preying on Laphygma frugiperda, XXIX, 36. 

 Pollenia rudis, found in houses, IV, 44. 

 Polygnotus hiemalis, parasite of Hessian fly, XVI, 36. 

 Polygonia comma, dimorphism of, VII, 51. 

 life history of, Yll, 50. 

 interrogatonis, dimorphism of, VII, 49. 

 life history of, VII, 47. 

 Polygraphias rufipennis, work of, in spruce, XXVIII, 26. 

 Pomphopcea aenea, abundant in Ohio, XVII, 98. 



injurious to peach blooms, XVIII, 100. 

 texana, injuring peach and plum trees, XVIII, 100. . 

 Porthetria dispar, birds that feed on larvae of, XX, 88. 

 conditions of, in 1898, XVII, 79. 

 in America, XI. 

 life history of, XI, 6. 

 parasites of, VI, 52. 



resolutions approving work against, VI, 53; IX, 32. 

 territory infested by, XI, 8. 

 work against, II, 59; VI, 50; XX, 104. 

 Porto Rico, insects of, XXII, 88. 



Praon cerasar. his, parasite of Nectarophora destructor, XXIII, 36. 

 Prionidus cristatus, in 1900, XXX, 70. 

 Prodenia commelinas, account of, XXVII, 59. 

 eudiopta, account of, XXVII, 71. 

 flavimedia, equal P. eudiopta, XXVII, 71. 

 littoralis, injury of, in Egypt, XXII, 99. 

 ornithogalli, account of, XXVII, 64. 

 in 1900, XXX, 67. 

 Piopolis, I, 24. 

 Prospalta aurantii, parasite of Aspidiotus forbesi, VI, 75. 



murtfeldti, parasite of Aspidiotus forbesi, VI, 75. 

 Proteopteryx deludana, injuring pecan buds, XVIII, 99. 

 Proteoteras aescularia, work of, in Canada, XXVI, 96. 

 Protoparce Carolina, common in Georgia, XX, 59. 



effect of cold winter on, XXII, 59. 

 in Porto Rico, XXII, 89. 



1900, XXX, 67. 

 injurious to tobacco in Maryland, IX, 81. 

 life history of, XVII, 72. 

 celeus, in 1900, XXX, 67. 

 Psallus delicatus, on cotton in Texas, XVIII, 101. 

 Pseudococcus aceris, damage by, in Ohio, XXVI, 90. 

 in Massachusetts, XVII, 61. 

 Springfield, Mass., II, 45. 

 life history, II, 45. 



