nearctivernus Heinr., Ichneumon

-----517

368 Nepiera Foerst.

203

nepticulae (Roh.), Gnaptodon

48

nevadensis Bohart, Tachytes

nigrescens Tow., Listrognathus

nigribasis Tow., Pleolophus

nigricans Cam., Acanthochalcis

nigricans (Dahlb.), Sphex

nigricans Timb., Conanthalictus

nevadensis Cam., Paratiphia
nevadensis (Ckll.), Hylaeus
nevadensis Cress., Acantholyda

nevadensis (Cress.), Lycogaster[s]
nevadensis Cress., Megachile
nevadensis Cress., Metopius [s]
nevadensis Cress., Nomia [s]

nevadensis (Cress.), Phyllocolpa
nevadensis Cress., Pontania
nevadensis (Cress.), Triepeolus
nevadensis Marl., Pachynematus
nevadensis Roh., Xyela
nevadica Cress., Astata

newcomeri (Cush.), Aritranis[s]
nida Mitch., Andrena
niditus Mick., Chyphotes
niger (Ashm.), Ademon
niger (Ashm.), Pediobius
niger (Ashm.), Thysanus
niger (Ashm.), Ufens
niger Cress., Echthrus [s]

nigerrima (Friese), Protoxaea [s]

niger Heinr., Linycus [s]

niger Mues., Apanteles

nigrae Robts., Andrena

niger Vachal, Omphalius

nigra Kief., Eriopria

nigra Latr., Spalangia

nigra Middlekauff, Cephalcia

nigra (Pack.), Mimesa

nigra Prov., Euura

nigracauda LaBerge, Melissodes

nigraticolor (Vier.), Coelichneumon
nigratorius (F.), Ichneumon
nigrellus (Bks.), Auplopus
nigreo Davis, Exyston

nigrescens (Cress.), Neivamyrmex
nigrescens Evans, Dissomphalus
nigrescens Evans, Sierolomorpha
nigrescens Sm., Cerceris

9, 10 nigripes Park., Steniolia

-322 nigripes (Prov.), Melanichneumon
--489 nigripes Tow., Trychosis

189, 191 nigrita (Cress.), Acantholyda
--471 nigrita (F.), Stelis

_501

22 nigrita (Walsh), Polysphincta
21 nigritarsis (Thoms.), Pediobius
nigritarsus (Grav.), Syrphoctonus [v]
19 nigriteleus Sm., Aphidius
7 nigritellae Fischer, Opius

nigroaeneus (Ashm.), Zatropis
289 nigrocincta Timb., Perdita
254 nigrocinctus (Hasey), Conocalama [v]
11 nigroclavata Ashm., Glyptonota
396 nigroclavatus Ashm., Xanthoencyrtus
23 nigrodorsatus Mirn., Megastigmus [s]
508 nigrofemoratus Dasch, Tymmophorus [s]
-166 nigroflavus Hoffmeyer, Megastigmus [s]
-162 nigromaculata Timb., Nomadopsis
380 nigropectus (Cress.), Cephalcia
89, 90 nigropictus (Davis), Mesoleius
_345 nigroscutatus Franklin, Bombus [s]
320
nigroscutum Davis, Exyston
326 nigroscutum Midd., Neodiprion
417 nigrosignata Ckll., Melissodes

141, 142

----166

__118

10

.476

73

234

._187

31

52

nigrithorax Dasch, Sussaba

183

213

39

---154

162

nigricans Tow., Cryptohelcostizus

nigricaudus (Fri.), Bombus [v]

517

129 nigrovariegatus Ashm., Megastigmus
nigrovariegatus (Prov.), Ichneumon
nigrovarius Prov., Ophion

252

.162

212

novae-angliae Beq., Bombus[v]
novaeangliae (Robts.), Dufourea
novaeangliae Vier., Andrena
novaescotiae Heinr., Platylabus[s]
novascotiae (Mitch.), Lasioglossum
novascotiae (Morl.), Onhion
noveboracensis Brues, Eritrissomerus
noveboracensis (Brues), Platygaster
noveboracensis (Fitch), Camponotus
novella Timb.. Perdita[s]

novifasciatus Grlt.. Gonatocerus
novita (Cress.), Delomerista
novitus Dasch, Homotropus

novoguineensis Szép., Nothanomalon
Novomessor Emery

novomexicana Allen, Neotiphia

novomexicana Ckll., Coelioxys

nubecula Cress., Astata[s]

nubecula Sm., Andrena

nubecula Tow., Aritranis

nubifer (Cress.), Dipogon[s]

nubigera Foerst. Phaenacra

nubila Timb., Perdita

-212 obscuripes (Brues), Phaenoserphus
-302 obscuripes Forel, Formica[s]
-302 obscuripes Tow.. Cubocephalus [s]
366 obscuriventris Mayr, Formica[s]
-445 obscurum Evans, Pseudisobrachium
214 obscurum (Robts.), Lasioglossum
80 obscurus (Cress.), Gelis
185

obscurus Dahlb., Pompilus

202 obscurus Schus., Photomorphus
352 obscurus Thoms.. Spintherus
-323 obscurus Tow.. Agrothereutes[s]
492 obscurus Westw., Monodontomerus
387 obsidianator (Br.), Gnamptopelta[s]
-432 obsoleta Timb., Perditals]
_121 obsoletus Riley, Ichneumon[v]
379 obsoletus (Sav), Cryptoserphus
obtusiventris Gah., Eurytoma
Obtusodonta Heinr.

.260

447

_286

_372

99

372

319

-465

94

386

-328

267

121

-251

---169

-449

--145

286

273

-156

-129

244

_315

369, 372

ornatus (Prov.), Platylabus

_134

ornatus Sauss., Leptochilus [s]

.377, 378

ornigis Weed, Apanteles

43

Orona Cam.

86

orpheus (Cress.), Coelichneumon

orphne Bks., Cerceris

ORTHOCENTRINAE

Orthocrema Sants.

356

orthoneura (Kief.), Aclista

orthoneura Kief., Pantoclis
Orthopelma Tasch,

ORTHOPELMATINAE

ORUSSIDAE

oryxicornis Vier., Ichneumon
osborni Doz., Ufens

oscillator Wesm., Eupalamus
oscinidis (Ashm.), Opius
Osmia Panz.

osmiae (Ashm.), Epistenia
osmioides Ckll., Andrena [s]
osoria (Bks.), Minagenia
ostentatus Davis, Exochus

Oswegoensis Mitch., Epeolus

Otacustes Foerst.

otiosum Evans, Pseudisobrachium

166

paenerugosa Vier., Andrena
pagosa Sandh., Osmia
paiute Gregg, Pheidole [s]

palamedes (Fox), Photopsis
paleacritae Riley, Apanteles
palitans Mues., Praon

pallens (Cress.), Crassomicrodus
pallens Tow., Compsocryptus
-417 pallentipes Timb., Anisotylus
180 pallescens Timb., Perdita [s]
pallescens (Vier.), Polytribax
294 pallicornis (Nort.), Phyllocolpa
295 pallicornis (Nort.), Pontania
179 pallicornis Spin., Diplolepis

179 pallida (Blake), Photopsis
27 pallida (Blake) Sphaeropthalma
pallida Robts., Melissodes
pallidiclypeum Jaycox, Anthidium

--149 pallidefulva Latr., Formica [s]

279 pallipes Cam., Pauroctonus
68 pallipes Cress., Exochus
pallipes (Curt.), Leiophron
421 pallipes (Grav.), Homotropus
pallipes (Hald.), Amblyopone
74 pallipes Holmg., Polysphincta
72 pallipes Holmg., Polysphincta
102 pallipes Holmg., Triclistus
178 pallipes Lep., Cleptes
178 pallipes Lep., Pristiphora
178, 179 pallipes Mues., Dimmockia
130
pallipes (Prov.), Cerchysius
77 pallipes (Prov.), Eulophus
307 pallipes (Prov.), Pnigalio
120 pallipes Prov., Rhopalicus
-283 pallipes (Say), Aphaereta
palliventris Cress., Pachynematus
palloranus (Davis), Pimplopterus

175, 177

88

.157

465

271

268