142 INDEX. 



Paris green and corn meal against tobacco bud worms 107 



insects in Florida Ill 



lime against homworms 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 



Paraphilias persicum 85-86 



Pear blister-mite. (See Eriophyes pyri.) 



food plant of Aspidiotus howardii 88 



mites 43 



Sibine stimulea 105 



Pecan bud-worm in Georgia 105 



food plant of Callipterus carvella 105 



twig-girdler in Georgia 105 



Pediculoides ventricosus, parasite of Sitotroga cerealeUa 102 



Pegomya brassiest. (See Cabbage maggot.) 



Pennyroyal ineffective against little red ant 17 



Peonies, food plants of Chorizagrotis auxiliaris and Noctua clandestina 126 



Peridroma occulta on lilac in central Alberta 126 



Persimmon, food plant of Hyphantria cunca 104-105 



Phenacoccus acericola in New York State 41 



Phenological investigations, importance in economic entomology 77 



Philippines, problems in economic entomology 117 



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



Phorbia brassicse. (See Cabbage maggot.) 



Phthorimsea operculella on tobacco in Florida ■ 110 



Phyllanthus, food plant of Melanchroia geometroides 1 17 



Phyllocoptes schlechtendali on apple and pear 46 



Physiological studies, importance in economic entomology 81-82 



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 herrickii, parasite of Hessian fly, probably polyembryonic 96 



Plectiscus sp. , parasite of cabbage maggot 15 



Plum, food plant of Aspidiotus howardii 87, £8, 93 



Japan, food plant of Hoplia trivialis 104 



native wild, food plant of Aspidiotus howardii 93 



Plusia brassicx 96 



Poison-bran against cutworms 1 26 



Polyembryony in parasitic insects 95-97 



Polygnotus hiemalis, parasite of Hessian fly 95 



minutus, polyembryonic development 95 



Poplar borer. (See Saperda calcarata.) 



food plant of Saperda calcarata 105 



Poplars, undesirable shade trees in East 29 



Populus monilifera, food plant of Ceutorhynchus lapathi 27 



Porthetria dispar (see also Gipsy moth). 



not yet in New York State 39 



Potato, food plant of cutworms 126 



Predaceous insects in economic entomology, importance of study 83 



Priophorus acericaulis. 94 



Prospalta aurantii, parasite of Aspidiotus howardii 90 



Prune, food plant of Aspidiotus howardii 87, "" 



Pseudeuccela gillettei, parasite of cabbage maggot 15 



Pseudococcus aceris, Hyperaspis signata an enemy 51 



Psylliodes punctulata in hopyards in British Columbia 112 



Pterostichus coracinus and lucublandus, enemies of cabbage maggot 15 



Pulvinaria acericola on sugar maple in Georgia 105 



innumerabilis in Georgia 105 



New Jersey 36 



observations on natural checks 48-52 



