INDEX TO AQUATIC INSECTS IN NEW YORK STATE 



513 



Plates, explanation of, 487-99. 

 Plathemis lydia, 275. 



(trimacnlata), 278, 279. 

 Platycnemis tibialis, 244. 

 plumbea, Libellula, 274, 276. 

 phimicornis, Corethra, see Coretlara 



plumicomis. 

 Pohl, cited, 338. 

 pollutiim, Agrion, 258. 

 pollutum, Enallagma,see Enallagma 



pollutum. 

 Polygonum sagittatum, 295. 

 Polynema needhami, 230. 

 polynemae, Hyperteles, 230. 

 polynemae, Tetrastichus, 230. 

 Polyphemus pediculus, 207. 

 Pontederia, 295. 

 porosicollis, Donacia, see Donacia 



porosicollis. 

 posita, Ischnura, 259, 260, 261-62. 

 posita, Neliallenuia, 261. 

 positum, Agrion, "261. 

 positum, Neliallennia, 261. 

 posticata. Simulium, 352. 377. 

 Potamogeton, 294, 



natans, 325. 

 princeps, Epicordnlia. 275. 

 Progomphus obscurus, 275. 

 Protoneura antennata, 257. 

 Psorophora, 390, 391, 392, 402, 

 410-11. 



ciliata, 411. 

 explanation of plate, 496. 



howardii, 410. 

 Psychodidae. 330, 831, 332. 

 Ptinidae, 290. 

 Ptychopterinae, 330. 

 pubescens. Donacia, 315. 

 pul)icollis, Donacia, 315. 

 pulchella, Libellula, see Libellula 



pulchella. 

 pulchrum, Simulium, 352, 353, 376- 



77. 

 punctipennis. Anopheles, 406-9, 410. 



explanation of plate, 496. 

 punctipennis, Corethra, 393, 394, .397. 

 pusilla. Donacia, 3i6. 

 pusilhis, Chauliodes, 485. 

 putrida, Argia, 240-41, 275. 

 putridum, Agrion, 240. 



Pyrochroidae, 293. 

 Pyrrhosoma, 245. 



quadrimaculatus, Anopheles. 409, 

 410. 



quadrivittatum, Simulium, see Si- 

 mulium quadrivittatum. 



Rambur, P., cited, 485. 

 ramburii, Agrion, 260, 261. 

 ramburii, Ischnura, 260, 261. 

 rastricornis, Chauliodes, see Chauli- 

 odes rastricornis. 

 rectangularis, Lestes, see Lestes 



rectangularis. 

 Redtenbacher, J., cited, 485. 

 Reed, H. D., work of, 202. 

 reptans, Simulium, see Simulium 



reptans. 

 restuans. Culex, 416, 417-18. 



explanation of plate, 496. 

 Rhaphidia cornuta, 478. 

 Rhipiceridae, 293. 

 Rhyphidae, 331, 332. 

 rigida, Sagittaria, 294, 322. 

 Riley, C. V., cited, 338, 339-40, 341- 



43, 350, 365, 368, 373, 374, 382, 



383, 454, 472-73, 485-86. 

 Riley, W. A., acknowledgments to, 



326. 

 Ross, cited, 388. 



rosteria eurtisii, Haemoria, 327. 

 rubicundulum, Sympetrum, 275, 278. 

 rufa, Donacia, 317. 

 ruficollis, Hermes, 468. 

 ruficollis, Neuromus, 468. 

 rufipes, Simulium, 351, 353, 361. 

 rugosa, Donacia, 316. 

 Rupertsberger, Mathias, cited, 289. 



Sagittaria, 295, 306. 



latifolia, 294, 322. 



rigida, 294, 322. 

 sagittariae, Donacia, 298, 307. 

 sagittatum. Polygonum, 295. 

 Sanderson, E. Dwight, cited, 298, 



299, 309, 310, 327. 

 sapphirina, Uranotaonia, see Urano- 



taenia sapphirina. 

 saucium, Agrion, 247. 



