846 



Neuroterus favosus, 2:713". 



flavipes, 2: 7I3''. 



irregularis, 2: 711'. 



majalis. 2: 710^. 



miniitus, 2: 710''. 



nigrum, 2; 713°. 



noxiosus, 2:618'', 624', 711''. 



pallidus, 2: 712^. 



pallipes, 2: 710'. 



perminin\us, 2: 710^. 



pigra, 2: 713'. 



rileyi, 2: 712'. 



umbilicatus, 2:6ig', 627'. 



vernus, 2: 713'*. 



verrucarum, 2:711'. 

 New Jersey tea, Cryptocephalus 



quadrimaculatus injuring, 2: 



6g5». 

 New York weevil, 2: 506*, 5i7''-i8''. 

 Nezara pennsylvanica, 2: 717'. 

 niger, Acraspis, 2:711'. 



Orchestes, 2: 567*. 742^. 



Pytlio, 2:751'. 

 nigerrima, Mycetochares, 2: 723®. 

 nigra, Biorhiza, 2: 710'. 

 nigrae, Andricus, 2: 713^. 



Chaitophorus. 2: 744''. 

 nigricens, Cynips, 2:711'. 

 nigriceps, Phora, i: 140'. 

 nigricollis, Elater, 2:492', 701*. 



Philonix, 2:711'. 

 nigricornis, Leucopis, 1:182'. 



Oecanthus, 2;6gS*, 6gg'. 

 nigripennis, Calophya. 2; 737^. 

 nigripes, .Vttelabus, 2; 703®. 

 nigritulus, Cyboceplialus, 1:231^. 

 nigrofasciatum, Kulecanium, i: 



4g, I73-'', 200^-3'. 

 nigrum, Apion, 2: 730''. 



Dorcaschema, .r.v 1). nigrum. 



Neuroterus. 2:713'". 

 nimbatana, Olellireutes, 2:-5I2', 



576'. 



phon, Incisalia. 2:752'. 



tela, Papaipema, 2:42g'*, 46S'. 



tens, I.eptura, 2:702''. 



tida, .VUorhina, 2: 719'. 



valis, Kermes, 2:709*. 



veana, Alceris, 2:749*. 



veiguttana, Olethreutes, 2: 724'. 



vei]")ila. Cecidoni)'iii, 2:71'-. 



-NEW YORK STATE MUSEUM 



niveus, Oecanthus, 2: 6o2'-3', 699*. 

 nobilis, Calloides, 2:427', 443'- 



noctivaga, Apatela, 2: 747'. 

 Noctua c-nigrum, 2: 727'. 

 Nodonota puncticollis, 2:730', 



735'. 



tristis, 2; 730', 742'. 

 nodosus, Acanthocinus, 2: 751'. 

 nodulus, Cecidoniyia, 2:745''. 

 nodus, Euura, 2: 745^- 

 Nola clethrae, 2: 739''. 



ovilla, 2: 706'. 

 normani, Crocigrapha, 2: 704'. 

 Northern Brenthian, i: 256', 261*- 



63'. 

 notataria, Eufidonia, 2: 753'. 

 notatus, Coelostethus, 2: 701-'^. 



Monohammus. 2:361'. 



Stenosphenus, 2:493', 7I5''- 

 Nothus varians, 2: 734'. 

 Notolophus antiqua, 2: 507''. 524', 

 524*- 



definita, st-e Hemerocampa. 



leucostigma, see Hemerocampa. 

 Notoxus anchora, 2:653', 696'-97'. 



bifasciatus, 2:653', 696'. 

 noveboracensis, Ithyeerus, 2: 506', 



5i7'-iS'. 

 novemnotata, Coccinella, 2:652', 



6gi'. 

 noxiosus, Neuroterus, 2: 61S', 624'. 



, 711'- 



Noxious oak gall, 2:618', 624'. 

 nubifer, Phyllotrox, 2: 567'. 

 nubila, Hoplosia, 2: 722'. 

 nubilis, Euparthenos, 2:730'. 

 nubilus, Thanasimus, 2:384', 653', 



6g3'. 

 nucicola, Cecidoniyia, 2: 71S'. 

 nuncius, Cryptus, i: 158'. 

 Nut pests, 2:723'; key to. 2:512'. 

 Nuthatches, 1:32'-, iii', iii', 191''. 

 Nyctobates pennsylvanica, 2: 492'', 

 Nyctobia limitata, 2: 734'. 

 Nymphs, use of term, i: 15'. 

 Nysius angustatus, 2:651', 6S5'. 

 nyssae. Phylloxera, 2: 735'. 

 nyssaeella, Nepticula, 2:735'. 

 nyssaefoliella, Antispila, 2:510", 



Oak, Ips quadriguttatus on. 2: 



692''. 



beneficial insects: 



Bothrideres geminatus, 2: 



505'- 

 Chariessa pilosa, 2:504''. 

 Hydnocera verticalis, 2:605". 

 injurious insects: • 



aphids: 2: 709'. 

 borers: 2: 701^-2*. 



Acanthoderes quadrigib- 



bus, 2: 702'', 715'. 

 apple wood stainer, 1:290'. 

 ash borer, four-marked, 2: 



462'. 

 Brenthian, northern, I: 



256', 261'. 

 Calloides nobilis, 2:427', 



443'- 

 carpenter worm, I: 7*, 51', 



79\ S3'. 

 Ceruchus piceus, 2:701®. 

 chestnut borer, two-lined, 



1:257^, 2S0*. 

 chestnut timber worm, 2: 



4279, 449\ 

 Cvrtophorus verrucosus, 2: 



'722'. 



Dendroides canadensis, 2: 

 494'- 



concolor. 2: 494^1 

 Dermestes pulcher, 2:431', 



489'. 

 Dicerca pugionata, 2: 750'. 

 Dysphaga tenuipes, 2: 715'. 

 flat-headed borer, common, 



1:87'. 

 Gaurotes cyanipennis, 2: 



42S^ 454^ 

 hickory borer, banded, i: 

 268'. 



tiger, i: 256', 268'. 

 hickory snout borer, 1: 275'. 

 h'ckory timber beetle, 2: 



427', 446'. 

 Hyperplatys maculatus, 2: 



426', 432«, 433'. 

 Hypothenemus crudiae, 2: 



715'. 

 leopard moth, I: 78'. 

 leptostylus, prickly, 2: 461'. 



