142 LNDEX. 



Page. 



Paris green and corn meal against toljacco bud worms 107 



insects in Florida Ill 



lime against hornworms of tobacco 108-109 



Parrott, P. J., paper, "The Pear Blister-mite (Eriophyes pyri (Pgst.) Nal.) 43-46 



Parsnip, food plant of Noctua clandestina 126 



Peach, food plant of Aphis persicse-niger 103 



Conotrachelus nenuphar 103 



Diplotaxis frondicola 103 



Eulecanium nigrofasciatu m 36, 37 



Macrodactylus subspinosus 86 



Pamphilius persicum 85-86 



Pear blister-mite. {See Eriophyes pyri.) 



food plant of Aspidiotiis howardii 88 



mites 43 



Sibine stimulea 105 



Pecan bud-worm in Georgia 105 



food plant of Callipterus carvella 105 



twig-girdler in Georgia 105 



PedicuhridcH rculricosus, parasite of Silotroga cercaldla 102 



Pegomya brassicx. (See Cabbage maggot.) 



Pennyroyal ineffective against little red ant 17 



Peonies, food plants of Chorizagrotis auxilians and Noctua clandestina 12() 



Peridroma occulta on lilac in central Alberta 126 



Persimmon, food plant of Hyphantria cunea 104-105 



Phenacoccus accricola in New York State 4] 



Phenological investigations, importance in economic entomology 77 



Philippines, problems in economic entomology 117 



Phlegethontins quinquemaculata and sexta on tobacco in Florida, remedies. . . . 108-109 

 Phorbia brassicse. {See Cabbage maggot.) 



Phthorimaia opcrculella on tobacco in Florida 110 



Phyllanthus, food plant of Mclanchroia geometroides ] 17 



Phyllocoptes schlechtendali on aj^ple and pear 46 



Physiological studies, importance in economic entomology ; 1-82 



Phytoptus pyri in Illinois 43 



Pissodes strobi, confusion of two or three species in literature 84 



in cotton fields in Georgia 102 



Plagionotus speciosus in New York State 40-41 



Platygaster hcrrickii, parasite of Hessian fly, j^robahly polyembryonic 96 



Plectiscus sp. , parasite of cabbage maggot 15 



Plum, food plant of Aspidiotus howardii 87. SS, 93 



Japan, food plant of Hoplia trivialis 104 



native wild, food plant of Aspidiotus howardii 93 



Plusia brassicx 96 



Poison-bran against cutworms ] 26 



Polyembryony in parasitic insects 95-97 



Polygnotus hicumlis, parasite of Hessian fly •. 95 



mi7iutus, polyembryonic development 95 



Poplar borer. (See Saperda calcarala.) 



food plant of Saperda calcarata 1 05 



Poplars, undesirable shade trees in East 29 



Populiis moniUfcra, food plant of Ceutorhynchu s lapathi 27 



Porthclria d is par {see also Gipsy moth). 



not yet in New Yoi'k State 3i) 



Potato, food plant of cutworms 1 26 



Predaceous insects in economic entomology, importance of si udy 83 



Priophorus acericaulis 94 



Prospalla aurantii, parasite of Aspidiotus howardii 90 



Prune, food plant of Aspidiotus hou'ardii 87, 88 



Pscudeucaia gillettei, parasite of cabbage maggot 15 



J'seiidococcus aceris, J/yperaspis signata an enemy 51 



f'si/lllodrs punctulata in hopyards in P.ritish Columl>ia 112 



I'h roslifJius coracinns and lucublandus. enemies of cabbage maggot 15 



I'ulvinaria accricola on sugar maple in CJeorgia 105 



innumtrabilis in Georgia J05 



New Jersey 36 



observations on natural checks 48-52 



