534 



NEW YORK STATE MUSEUM 



Pachyrhina, 244. 

 Palaeopoecilostola, 232. 

 Palpomyia, 264; key 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, 



2']\ 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, Dasynettra lepidii on, 



Peppermint, Cecidomyia pipentae 

 on, 303. 



Dasyneura piperitae on, ^tZl^ 342- 

 Pcridinia, 182. 

 Periodical cicada, 48. 

 Peripheroptera, 229, 231, 233. 

 Perithemis, 255. 

 Persimmon, gall on, 132. 

 Phalacrocera, 232, 244. 



tipulina, 209. 

 Phyllcrium alnigenum, 125. 



quercinum, gall on, 143. 



vitis, see Erincum vitis. 



Phyllocoptes, 147, 244. 



cornutus, 127. 



oleivorus, 130. 



schlectendali, 141. 

 Phyllolabis, 241, 242, 246. 

 Phylloxera caryaecaulis, 55. 

 vastatrix, 151. 



Lestodiplosis grassator on, 383, 

 408, 410. 

 Phytoptid galls of North' America, 



118-55; bibliography, 153-5S- 

 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, 



ZZ7' 

 Pirus amojricana, gall on, 153. 

 Pitcher plant, Phalacrocera tipulina, 



on, 209. 

 Plagionotus speciosus, 40, 52. 

 Plane tree, Lestodiplosis platanifolia 



on, 383, 410. 

 Plant lice, 35. 

 Plates, explanation of, 423. 

 Plathemis trimaculata, 196. 

 Plecoptera, 8. 



Plcctromyia, 228, 242, 245. 

 PIu?n tree, galls on, 138, 139. 



injurious insects : 



apple worm, lesser, "^-t^. 

 June beetle, green, 43. 

 peach borer, lesser, 32. 

 Plusiomyia, 232. 

 Poa pratensis, Colpodia pratensis on, 



416. 

 Podisus modestus, 22. 



