534 



XEW YORK STATE MUSEUM 



Pachyrhina, 244. 

 Palaeopoecilostola, 232. 

 PaIpom\-ia, 264; ke}- to subgenera, 

 269. 

 flavipes, 269. 

 Panicum, Lasioptera panici on, 320, 



326. 

 Paradiplosis, 386, 410. 

 Parasites, of gipsy and brown tail 

 moths, 7; snow-white linden moth, 

 27; white grub, 43. 

 Paratropeza, 213, 228, 230, 233, 237. 

 Paris green, 55. 

 Peach, gall on, 127. 

 Peach borer, common, 32. 

 • lesser, 32. 

 Peach tree, June beetle injuring, 43. 



peach borer, lesser, injuring, 32. 

 Pear midge, 8. 

 Pear psylla, 35. 



Pear tree, Archips sorbiana injuring, 

 46. 

 Contarinia pyrivora on, 384, 393. 

 gall on, 141. 

 Pearthorn, gall on, 132. 

 Pecan, gall on, 152. 

 Pedicia, 225, 226, 242, 245. 



albivitta, 201, 209. 

 Pediciinae, 242, 245. 

 Pediciini, 225, 242. 

 Pegomyia sp., 171. 



vicina, 53. 

 Penthoptera, 241, 243, 247. 



albitarsis, 208. 

 Pepper grass, Dasyneura lepidii on, 



337- 

 Peppermint. Cecidomyia pipentae 

 on, 303. 

 Dasyneura piperitae on, 337, 342. 

 Pcridinia, 182. 

 Periodical cicada, 48. 

 Peripheroptera, 229, 231, 233. 

 Perithemis, 255. 

 Persimmon, gall on, 132. 

 Phalacrocera, 232, 244. 



tipulina, 209. 

 Phyllerium alnigenum, 125. 

 quercinum, gall on, 143. 

 vitis, sec Erineum vitis. 



Phyllocoptes, 147, 244. 

 cornutus, 127. 

 oleivorus, 130. 

 schlectendali, 141. 

 Phyllolabis, 241, 242, 246. 

 Phylloxera caryaecaulis, 55. 

 vastatrix, 151. 

 Lestodiplosis grassator on, 3S3, 

 408, 410. 

 Phytoptid galls of North America, 



^18-55; bibliography, 153-55. 

 Pliytoptus sp., 119, 124, 134, 145, 14- 

 abnormis, 148. 

 acericola, 123. 

 fraxini, 134. 

 oleivorus, 130. 

 pruni, 139. 

 querci, 142. 

 salicicola, 145. 

 thujae, 148. 

 ulmi, 149. 

 Pine, Cecidomyia, resinicola on, 3S3. 

 Loboptcromyia abdominalis on, 



300. 

 Xeolasioptera 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, 209. 

 Plagionotus speciosus, 40, 52. 

 Plane tree, Lestodiplosis platanifolia 

 on, 3S3, 410. 

 ^lant lice, 3^. 

 Plates, explanation of, 423. 

 Plathemis triinaculata, 196. 

 Plecoptera, 8. 



Plectromyia, 228, 242, 24 s. 

 Plum tree, galls on, 138, 139. 

 injurious insects : 



apple worm, lesser. 33. 

 June beetle, green, 43. 

 peach borer, lesser, 32. 

 Plusiomyia, 232. 

 Poa pratensis, Colpodia pratensis on, 



416. 

 Podisus modcstus. 22. 



