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. 

 plumicornis, Corethra, see Coretbra 



plumicomis. 

 Pohl, cited, 338. 

 poUutum, Agrion, 258. 

 pollutum, Enallagma,«ee Enallagma 



poUutum. 

 Polygonum sagittatnm, 295. 

 Polynema needhami, 280. 

 polynemae, Hyperteles, 230. 

 polynemae, Tetrastichus, 230. 

 Polyphemus pediculus, 207. 

 Pontederia, 295. 

 porosicollis, Donacia, see Donacia 



porosicollis. 

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

 posita, Nehallennia, 261. 

 positum, Agrion, "261. 

 positum, Nehallennia, 261. 

 posticata, Simulium, 352, 377. 

 Potamogeton, 294. 



natans, 325. 

 princeps, Epicordulia, 275. 

 Progomphus obscurus, 275. 

 Protoneura antennata, 257. 

 Psorophora, 390, 391, 392, 402, 

 410-11. 



ciliata, 411. 

 explanation of plate, 496. 



howardii, 410. 

 Psychodidae, 330, 331, 332. 

 Ptinidae, 290. 

 Ptychopterinae, 330'. 

 pubescens, Donacia, 315. 

 pubicoUis, Donacia, 315. 

 pulchella, Libellula, see Libellula 



pulchella. 

 pulchrum, Simulium, .352, 353, 376- 



77. 

 punctipennis. Anopheles, 406-9, 410. 



explanation of plate, 496. 

 punctipennis, Corethra, 893, 394,307. 

 pusilla, Donacia, 3i6. 

 pusillus, Chauliodes, 485. 

 putrida, Argia, 240-41, 275. 

 putridum, Agrion, 240. 



Pyrochroidae, 298. 

 Pyrrhosoma, 245. 



quadrimaculatus, Anopheles, 409, 

 410. 



quadrivittatum, Simulium, sec Si- 

 mulium quadrivittatunj. 



Rambur, P., cited, 485. 

 ramburii, Agrion, 260, 261. 

 ra,mburii, Ischnura, 260, 261. 

 rastricornis, Chauliodes, see Chauli- 

 odes rastricornis. 

 rectangularis, Lestes, see Lestes 



rectangularis. 

 Redteubacher, J., cited, 485. 

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

 reptans, Simulium, see Simulium 



reptans. 

 restuans, Culex, 41G, 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, 841- 



43, 350, 365, 368, 878, 374, 382, 



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

 Riley, W. A., acknowledgments to, 



826. 

 Ross, cited, 388. 



rosteria curtisii, Haemoria, 327. 

 rubicundulum^ Sympetrum, 275, 278. 

 rufa, Donacia, 317. 

 ruficollis, Hermes, 468. 

 ruficollis, Neuromus, 468. 

 ruflpes, Simulium, 351, 853, 361. 

 rugosa, Donacia, 816. 

 Rupertsberger, Mathias, cited, 289. 



Sagittaria, 295, 306. 



latifolia, 294, 322. 



rigida, 291, 322. 

 sagittariae, Donacia, 298, 307. 

 sagittatum. Polygonum, 295. 

 Sanderson, E. Dwight, cited, 298, 



299, 309, 310, 327. 

 sapphirina, Uranotaenia, see XJrano- 



taenia sapphirina. 

 saucium, Agrion, 247. 



