534 
Pachyrhina, 244. 
Palaeopoecilostola, 232. 
Palpomyia, 204; key to subgenera, 
200. 
flavipes, 269. 
Panicum, Lasioptera panici on, 320, 
320. 
Paradiplosis, 386, 410. 
Parasites, of gipsy and brown tail 
moths, 7; snow-white linden moth, 
27; white grub, 43. 
IPANCANCODEZA, “ANB, BAS, BHO, 238, ZB7o 
Paris green, 55. 
Reach -eallon\ 127; 
Peach borer, common, 32. 
lesser, -32. 
Peach tree, June beetle injuring, 43. 
peach borer, lesser, injuring, 32. 
Pear midge, 8. 
Pear psylia, 35. 
Pear tree, Archips sorbiana injuring, 
46. 
Contarinia pyrivora on, 384, 393. 
gall on, 141. 
Pearthorn, gall on, 132. 
Pecam, Salll Om, USA, 
IPeGhCia, 22S, 2A, DA®, BAG. 
albivitta, 201, 200. 
Pedicitnae, 242, 245. 
Pediciini, 225, 242. 
Pegomyia sp., 171. 
vicina, 53. 
Penthoptera, 241, 243, 247. 
albitarsis, 208. 
Pepper grass, Dasyneura lepidii on, 
SSI 
Peppermint, Cecidomyia  piperitae 
on, 3032. 
Dasyneura piperitae on, 337, 342. 
Peridinia, 182. 
Periodical cicada, 48. 
Peripheroptera, 229, 231, 233. 
Perithemis, 255. 
Persimmon, gall on, 132. 
IPDRACTOCERA, 2IQ, 2, 
tipulina, 209. 
Phyllerium alnigenum, 125. 
quercinum, gall on, 143. 
vitis, see Erineum vitis. 
NEW YORK STATE MUSEUM 
Phyllocoptes, 147, 24a. 
cornutus, 127. 
oleivorus, 130. 
schlectendali, 141. 
Phyllolabis, 241, 242, 246. 
Phylloxera caryaecaulis, 55. 
vastatrix, I51. 
Lestodiplosis grassator on, 383, 
408, 410. 
Phytoptid galls of North America, 
118-55; bibliography, 153-55. 
Phytoptus sp., 119, 124, 134, 145, 147. 
abnormis, 148. 
acericola, 123. 
fraxini, 134. 
oleivorus, 130. 
pruni, 139. 
querci, 142. 
Salicicola, 145. 
thujae, 148. 
ulmi, 149. 
Pine, Cecidomyia, resinicola on, 383. ~ 
Lobopteromyia abdominalis on, 
390. 
Neolasioptera flavoventris on, 320. 
white grubs injuring, 41. 
Winnertzia, pinicorticis on, 304. 
Piperita, Dasyneura piperitae on, 
337. 
Pirus americana, gall on, 153. 
Pitcher plant, Phalacrocera tipulina, 
on, 200. 
Plagionotus speciosus, 40, 52. 
Plane tree, Lestodiplosis platanifolia 
on, 383, 410. 
leliaale Ihlee, OS. 
Plates, explanation of, 423. 
Plathemis trimaculata, 106. 
Plecoptera, 8. 
Plectromyia, 228, 242, 245. 
Plum tree, galls on 18s 130: 
injurious insects: 
apple worm, lesser, 33. 
June beetle, green, 43. 
peach borer, lesser, 32. 
Plusiomyia, 232. ; 
Poa pratensis, Colpodia pratensis on, 
Al6. 
Podisus modestus, 22. 
