1 82 



NEW YORK STATE MUSEUM 



Ornamental trees, insect enemies, 72*. 

 Orthoptera, contributions of, 83^; ex- 

 change list, 97\ 

 Osborn, Herbert, cited, 69^ 7o\ 

 ovis, Oestrus, 70'. 

 Oyster scale, 66^ 66^ 69', 70', 72', jf, 



palustris, Lasioptera, 162"'. 

 paniculata, Choristoneura, 109'. 

 Papaipema nitela, 75^ 

 Paragrotis messoria, 53*-54^ 681 

 Parasites, of brown tail moth, 47' ; ©f 



gipsy moth, 471 

 Paris green, 54'. 

 Park and woodland trees, -insects 



affecting, 71*. 

 Peach scale. West Indian, yo^. 

 Pear blister mite, 78'. 

 Pear tree, oriental slug caterpillar in • 



juring, 48*. 

 Pemphigus acerifolii, yj^. 

 pentagona, Aulacaspis, 70^ 

 perfoliata, Choristoneura, I56*-57^ 

 Periodical cicada, 6i^-6s\ 68*. 

 perniciosus, Aspidiotus, see Aspidio- 



tus perniciosus. 

 Persimmon, Japanese slug caterpillar 



injuring, 48^ 

 Petroleum, 52^ 72'. 

 pharaonis, Monomorium, y^^. 

 Phenacoccus acericola, 57^-58^, 72^ 



7/. 

 Philaenus lineatus, yy\ 



spumaria, yf. 

 Phorbia brassicae, 67*. 

 photophila, Asynapta, 1481 



Campylomyza, 99". 



Cecidomyia, 134'. 



Dasyneura, II4^ 

 Pine, Lestremia pini on, 103". 



Mycodiplosis pini on, I28l 



Oligotrophus pini on, 124'. 



pine weevil, white, injuring, 58^ 



Winnertzia calciequina on, I6I^ 

 Pine, hard, Campylomyza lignivora 



injuring, 100®. 

 Pine, white, Dasyneura consobrina 

 on, II8^ 



Porricondyla pini on, 145^ 



Pine, white {continued) 



Rhopalomyia pini on, 120*. 

 Pine weevil, white, 58^-591 

 pinea, Porricondyla, I45^ 

 pini, Lestremia, 103*. 



Mycodiplosis, I28\ 



Oligotrophus, 124*, 



Porricondyla, 144^-45". 



Rhopalomyia, 120". 

 Pissodes strobi, 58^-59". 

 Pistol case-bearer, 70^ 

 Plagionotus speciosus, 54^-55', 72°. 

 Plant diseases and pests, legislation 



relating to, yy^. 

 Plates, explanation of, 167-72. 

 Plecoptera, 4I^ 



Plum, fall webworm injuring, 67^ 

 podophylli, Bremia, 126^ 



Dicrodiplosis, 126*. 

 Poison formulas, yf. 

 Poison ivy, Campylomyza toxicoden- 

 dri on, 98^ 



Cecidomyia toxicodendri on, I37^ 

 Polychrosis viteana, yz^. 

 pomiflorae, Campylomcyza, 99*. 

 pomonella, Carpocapsa, 68\ 70^ 72° 



Rhagoletis, 72^ yy\ 

 Pontia rapae, 66', 67', 67', 68'. 

 Poplar, Rhabdophaga populi on, 



II2l 



injurious insects : 



oriental slug caterpillar, 48'. 

 spiny elm caterpillar, 56^ 

 Poplar, large leafed, Campylomyza 



populi on, 99^ 

 Poplar borer, 72'. 

 populi, Campylomyza, 98''-99". 



Rhabdophaga, 112'. 

 Porricondyla altifila, 147°. 



ampelophila, I44^ 



borealis, 147^ 



carolinae, I45^ 



diervillae, I45®-46^ 



flava, 146'. 



graminis, 146^. 



hamata, I46^ 



pinea, 145'. 



pini, i44'-45'- 



quercina, I47^ 



