Index 



68 5 



vittatus, *I59 ; chirping 

 of, 159 



Nemoura, 74 



Ncophasia menapia, 445 



Nepa, 201 



Nepidae, Nepa (nepa, a 

 scorpion), 194, 201 



Nerve endings in labial 

 palpus of Machilis poly- 

 poda, *26 ; in maxillary 

 palpus of Locusta viri- 

 dissima, *26 



Nerve-winged insects, 223 



Nervous system, 20 ; in 

 head of locust, *33 ; of 

 house-fly, *22 ; of locust, 

 *22; of midge, *22; 

 stages in development 

 of, of honey-bee, *24 ; 

 stages in development 

 of, of water-beetle, *25 ; 

 sympathetic, 23 ; of larva 

 of harlequin-fly, *24 



Nest, artificial, for ants, 

 *550 ; communal, of yel- 

 low-jacket, Vespa sp., 

 *505 ; Fielde, for ants, 

 *55 J ! Janet, for ants, 

 *550, *55i ; of Califor- 

 nia honey-ant, 546 ; of 

 Camponotus pcnnsyl- 

 vanicus, *545 ; of bum- 

 blebee, *5i9; of leaf-cut- 

 ter bee, *5i4; of a mud- 

 dauber wasp, *499 ; of 

 Vespa crabro, *5O4 ; of 

 western agricultural ant, 

 *542 ; of yellow-jacket, 

 Vespa sp., cut open to 

 show combs within, *5o6 



Nest-building of wasps, 

 508 



Nest-burrow of Ammophi- 

 la, *494 ; of Astata uni- 

 color, *50o; of Oxybdus 

 quadri-notatus, *49i ; of 

 short-tongued mining- 

 beetle, *5i6 



Nesting-grounds of Am- 

 mophila, *492 



Nests, for rearing ants, 

 548 



Nest-tunnel of carpenter- 

 bee, *5i3 



Nest-tunnels of two car- 

 penter-wasps, *5O2 



Net, for collecting insects, 

 how to make, 635 ; wa- 



ter, for collecting drag- 

 on-fly nymphs, *87 

 Net-winged midge, cross- 

 section of body of larva 

 of, *315 ; cross-section of 

 eyes of, *3i7; female, 

 *3i6 ; female, mouth- 

 parts of, *3i6; head of 

 larva of, showing forma- 

 tion of adult head-parts, 

 *3i8; heads of male and 

 female of, *3i6; larva of, 

 *3i5; mouth-parts of, 

 *9 ; mouth-parts of larva 

 of- *3_i?; pupa of, *3i5; 

 venation of wing of, 



*3I7 

 Net-winged midges, 304, 



314 



Neuroptera (vevpov, neu- 

 rum, nerve ; irrtpov, 

 pterum, wing), 55, 223; 

 key to families of, 224 



Nczara Pennsylvania, 214 



Nicoletia tcxcnsis, *6i 



Nirmus, 118; felix, *i2i, 

 122; lineolatus, 116; pi- 

 leus, 117; prcestans, *H4 



Nitzschia, 119 



Noctuidse, Noctua (noctua, 

 a night owl), 370, 399 



Nomadidse, N o m a d a 

 (yofiag, no mas, nomad) 

 455 



Nomctcttix parvus, *I48 



"No-see-ums," 310 



Notodonta stragula, *392 



Notodontid, venation of, 

 *392 



Notodontidas, Notodonta 

 (vwrof, notus, the back ; 

 <5(Wc, odus, tooth), 369, 

 392 



Notolophus leucostigma, 

 405 ; developing mouth- 

 parts of, *3O3- 



Notonecta. 199 



Notonectidae, Notonecta 

 notus, the back ; 

 ncctcs. a swim- 

 mer), 194, 198 



Notum (dorsal wall of a 

 body segment) 



Number of insect species, 

 56 



Nycteribiidae, Nycteribia 

 (vvKTtpiq, nycteris, a 



bat; ftlof, bius, life), 

 35i, 352 



Nycteribia sp., 352 



Nymph (young of insects 

 with incomplete meta- 

 morphosis), *42, *67 



Nymphalid, venation of, 

 * 44 o 



Nymphalidae, Nymphalis 

 (vv/Ht>T), ny m p he , a 

 nymph), 450 



Oak bucculatrix - moths, 

 376 



Oak leaf-roller, 380 



Oak-apples, 471, *472 



Oak-scale, southern Cali- 

 fornia, *ig2 



Oak-worm moth, orange- 

 striped, *428 



Oblique-banded leaf-roller, 

 380 



Oblong leaf-winged katy- 

 did, *isi 



Obsolete-banded strawber- 

 ry leaf-roller, larva of, 

 *364 ; pupa and adults 

 of, *365 



Ocellar lens of larva of 

 saw-fly, *3O 



Ocellus, *3, 31 ; section of, 

 of honey-bee, *3O 



O d o n a t a (Movf, odus, 

 tooth, applicability un- 

 certain), 53, 75 



Odontomachus hcematodcs, 

 340 



Odontomyia, venation of 

 wing of, *329 



Odynerus, 499 



CEcanthus angustipennis, 

 160 ; fasciatus, *I59, 

 *i6o; niveus, *i59, 160 



CEdemasia concinna, 394 ; 

 eximia, *393 ; larva of, 



*393 



CFdipodinae, 136, 143 



CFneis, 457 



Qistridaa, CEstrus (nlarpog, 



a'strus, a gadfly, a 



sting), 332, 337 

 OiketicUs abbotti, 386 

 Oil-beetles, 289 

 Olfersia amcricana, 351 

 Ommatidium, *3i, *32, *33 

 Omus, 253 

 Oncomyia, 337 



