l82 



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'. 



Ovster scale, 66^ 66', 69', 70', ']2\ ^f, 

 7f. 



palustris, Lasioptera, 162"'. 



paniculata, Choristoneura, 109". 



Papaipema nitela, 75^ 



Paragrotis messoria, 53^-54', 68^ 



Parasites, of brown tail moth, 47' ; of 

 gipsy moth, 471 



Paris green, 54', 



Park and woodland trees, insects 

 affecting, 71*. 



Peach scale. West Indian, 70'. 



Pear blister mite, 78'. 



Pear tree, oriental slug caterpillar in- 

 juring, 48*. 



Pemphigus acerifolii, yj^. 



pentagona, Aulacaspis, 70^ 



perfoliata, Choristoneura, 156^-571 



Periodical cicada, 61^-65", 68*. 



perniciosus, Aspidiotus, see Aspidio- 

 tus perniciosus. 



Persimmon, Japanese slug caterpillar 

 injuring, 48^ 



Petroleum, 52^ 72^. 



pharaonis, Monomorium, yf. 



Phenacoccus acericola, 57''~58^ 72^ 



7f- 

 Philaenus lineatus, yy'. 



spumaria, yy'. 

 Phorbia brassicae, 67*. 

 photophila, Asynapta, 1481 



Campylomyza, 99°. 



Cecidomyia, 134*. 



Dasyneura, II4^ 

 Pine, Lestremia pini on, I03^ 



Mycodiplosis pini on, I28l 



Oligotrophus pini on, 12^. 



pine weevil, white, injuring, 58®. 



Winnertzia calciequina on, I6I^ 

 Pine, hard, .Campylomyza lignivora 



injuring, lool 

 Pine, white, Dasyneura consobrina 

 on, 118*. 



Porricondyla pini on, I45\ 



Pine, white {continued) 



Rhopalomyia pini on, 120*. 

 Pine weevil, white, 58®-59^ 

 pinea, Porricondyla, I45^ 

 pini, Lestremia, 103*. 



Mycodiplosis, I28\ 



Oligotrophus, 124*. 



Porricondyla, 144^-45". 



Rhopalomyia, I20^ 

 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, 6y^. 

 podophylli, Bremia, I26\ 



Dicrodiplosis, I26\ 

 Poison formulas, 7il 

 Poison ivy, Campylomyza toxicoden- 

 dri on, 98^ 



Cecidomyia toxicodendri on, I37^ 

 Polychrosis viteana, y^^. 

 pomiflorae, Campylomcyza, 99*. 

 pomonella, Carpocapsa, 68^ 70^ 72^ 



yf. 



Rhagoletis, 72^ yy\ 

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

 Poplar, Rhabdophaga populi on, 



112^ 



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, ii2l 

 Porricondyla altifila, I47^ 



ampelophila, 144®. 



borealis, 147^ 



carolinae, T45^ 



diervillae, i45°-46". 



flava, 146^ 



graminis, 146'. 



hamata, 146". 



pinea, 145'. 



pini, i44'-45'- 



quercina, 147-. 



