182 
Ornamental trees, insect enemies, 72", 
Orthoptera, contributions of, 83°; ex- 
change list, 97°. 
Osborn, Herbert, cited, 69", 70°. 
ovis, Oestrus, 70”. 
Oyster scale, 66°, 66°, 69°, 70°, 72", 73°, 
Tye 
palustris, Lasioptera, 162”. 
paniculata, Choristoneura, 1c9’. 
Papaipema nitela, 75°. 
Paragrotis messoria, 53-54’, 68°. 
Parasites, of brown tail moth, 47°; of 
gipsy moth, 47°. 
Paris green, 54. 
Park and woodland trees, 
affecting, 71%. 
Peach scale, West Indian, 70”. 
Pear blister mite, 78. 
Pear tree, oriental slug caterpillar in- 
juring, 48°. 
Pemphigus acerifolii, 77°. 
pentagona, Aulacaspis, 70’. 
perfoliata, Choristoneura, 156°-57’. 
Periodical cicada, 61°65", 68°. 
perniciosus, Aspidiotus, see Aspidio- 
tus perniciosus. 
Persimmon, Japanese slug caterpillar 
injuring, 48’. 
Petroleum, 52’, 72°. 
pharaonis, Monomorium, 73’. 
Phenacoccus acericola, 57°-58°, 72’, 
77°. : 
Philaenus lineatus, 77°. 
spumaria, 77°. 
Phorbia brassicae, 67°. 
photophila, Asynapta, 148’. 
Campylomyza, 99°. 
Cecidomyia, 134%. 
Dasyneura, II4’. 
Pine, Lestremia pini on, 103°. 
Mycodiplosis pini on, 128’. 
Oligotrophus pini on, 124°. 
pine weevil, white, injuring, 58’. 
Winnertzia calciequina on, 161°. 
Pine, hard, Campylomyza_ lignivora 
injuring, 100’. 
Pine, white, Dasyneura consobrina 
on, 118%. 
Porricondyla pini on, 145°. 
insects 



NEW YORK STATE MUSEUM 
Pine, white (continued) 
Rhopalomyia pini on, 120°. 
Pine weevil, white, 58°-59°. 
pinea, Porricondyla, 145°. 
pini, Lestremia, 103*. 
Mycodiplosis, 128°. 
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, 77°. 
Plates, explanation of, 167-72. 
Plecoptera, 41°. 
Plum, fall webworm injuring, 67°. 
podophylli, Bremia, 126°. 
Dicrodiplosis, 126°. 
Poison formulas, 71°. 
Poison ivy, Campylomyza toxicoden- 
dri on, 98°. 
Cecidomyia toxicodendri on, 137°. 
Polychrosis viteana, 73’. 
pomiflorae, Campylomcyza, 99°. 
pomonella, Carpocapsa, 68", 70’, 72° 
“eayee 
Rhagoletis, 72°, 77’. 
Pontia rapae, 66*, 67°, 67°, 68°. 
Poplar, Rhabdophaga populi on, 
E12 
injurious insects: 
oriental slug caterpillar, 48*. 
spiny elm caterpillar, 56’. 
Poplar, large leafed, Campylomyza 
populi on, 99°. 
Poplar borer, 72°. 
populi, Campylomyza, 98-00’. 
Rhabdophaga, 112°. 
Porricondyla altifila, 147°. 
ampelophila, 144°. 
borealis, 147". 
carolinae, 145°. 
diervillae, 145-46. 
flava, 146°. 
graminis, 146°. 
hamata, 146°. 
pinea, 145°. 
pini, 144°-45°. 
quercina, 147°. 
