INDEX TO REPORT OF THE STATE ENTOMOLOGIST 1901 917 



Plum-trees, insects injurious to: 



Conotrachelus nenuphar, T86 3 , 



795 7 , 806 5 , 833 7 . 

 Lecanium prunastri, 855 r . 

 Paleacrita vernata, 794 5 . 

 Scolytus rugulosus, 731 s , 795 5 , 

 834 7 . 

 Plusia simplex, 801 2 . 

 Podisus spinosus, 841 5 , 864 6 . 

 Podosesia syringae, 779 s . 

 Poeciloeapsus lineatus, 839 |T . 

 Poeciloptera septentrlonalis, 801 2 . 

 Polistes pallipes, 788 5 . 

 politus, Xyloterus, see Xyloterus 



politus. 

 Pollen-carriers, 851 4 -52 6 . 

 Polygonotus salicicola, 744 3 . 

 Polygraphus rufipennis, 861 3 . 

 polyxenes, Papilio, see Papilio 



polyxenes. 

 pometellus, Ypsolopbus, see Ypsolo- 



phus pometellus. 

 pomifoliella, Bucculatrix, see Buccu- 



latrix pomifoliella. 

 pomonella, Carpocapsa, see Carpo- 



capsa pomonella. 

 pomorum, Mytilaspis, see Appletree 



bark louse. 

 Pompilidae, 868 T . 

 Poplar, insects injurious to: 

 carpenter worms, 780 1 . 

 Cryptorbynchus lapathi, 779 4 , 



780 3 , 860 s . 

 Euvanessa antiopa, 865 3 . 

 Hlyphantria cunea, 86:2 s . 

 Saperda calcarata, 807 2 , 859 9 . 

 Trichiocampus viminalis, 861'*. 

 Poplar borer, 859 s . 

 Porthetria dispar, 700 2 , 802", 803 7 , 



835 5 . 

 Potassium cyanid, 807 2 . 

 Potato, insects injurious to: 

 Colaspis brunnea, 734 s . 

 Doryphora 10-lineata, 841 4 . 

 Epicauta cinerea, 841 6 . 

 pennsylvanica, 749 9 . 

 vittata, 749 7 , 777 3 , 841 8 . 

 Epitrix cucumeris, 796*, 797% 

 842*. 

 y Hydroecia nitela, 841 9 . 



Potato beetles, 777% 777 r , 778 6 , 778 s , 

 782 1 , 7S2 6 , 782 s , 785 3 , 785 5 , 785 T , 

 786 5 , 788°, 789 6 , 790 9 -91\ 791 8 , 

 792 5 , 793 1 , 794 2 , 794 4 , 794 9 , 795 s , 

 797 1 , 797 6 , 841 4 . 



pratensis, Lygus, see Lygus praten- 

 sis. 



Praying mantis, European, 755 T -57 5 , 

 785 s , 787 5 , 787 s , 890 4 . 



Predaceous diving beetles, 876 9 -77 2 . 



Predaceous insects, 853 1 . 



Prionoxystus robiniae, 744 7 -45 7 , 779 e , 

 859 3 . 



prosopidis, Xerophilaspis, see Xero- 

 pbilaspis prosopidis. 



Prosopis velutina, 857 7 . 



Protective mimicry, collection illus- 

 trating, 831 6 , 891 6 -92 8 . 



provancheri, Xipbyclria, see Xiphy- 

 dria provancberi. 



pruinosa, Ormenis, see Ormenis 

 pruinosa. 



prunastri, Lecanium, see Lecanium 

 prunastri. 



Prunes, Apbicls injuring, 783 1 . 



Pseudoccus aceris, 749 1 . 



Psocids, 890 6 . 



Psycbidae, 883 s . 



Psylla pyricola, 837 6 . 

 1 Psyllidae, 866 5 . 



Pteromalus calandrae, 850 2 . 

 fuscipes, 865 4 . 

 pallipes, 722 9 . 

 vanessae, 862 3 . 



Pteronus ribesii, 839 s . ®ee also Cur- 

 rant worms. 



Pteropboridae, 886 5 . 



Publications, 702 1 , 832 s , 898 2 -99 3 ; list, 

 800*-8 4 . 



Pulvinaria innumerabilis, 856 2 . 



punctata, Pelidnota, see Pelidnota 

 punctata. 



pnnctatus, Phytonomus, see Pbyto- 

 nomus punctatus. 



purcbasi, Icerya, see Icerya pur- 

 chasi. 



Putnam's * scale insect, 779 5 , 829 2 , 

 856 4 . 



pygmaeus, ? Cephus, see ? Gepbus 

 pygmaeus. 



