295 



Page 

 nigricornis quadripunctatus 



(Beutenmiiller). Oecanthus... 142 

 nigricoxi MacGillivray, Tenth- 

 redo 263 



nigrifascia MacGillivray, Tenth- 

 redo 263 



nigrifrons Forbes. Cicadula 149 



nigrifrons Malloch, Meoneura... 196 

 nigrimana Malloch. Chyromya.. 192 

 nigrisquama Malloch, Agromyza. 194 



nigrita Malloch, Helina 200 



nigritibialis MacGillivray, Ten- 



thredo 263 



nigritus MacGillivray, Aphani- 



sus 237 



nigritus Malloch, Orthocladius 



(Orthocladius) 174 



nigriventris. Girault, Uscanoidea 225 

 nigrohalteralis Malloch, Chiron- 



omus 167 



nigronitens Knight, Plagiogna- 



thus 146 



nigrovittatus Malloch, Chirono- 



mus 167 



nimbosus MacGillivray, Dolerus 243 



nitens (Stein). Pogonomyia 208 



nitidellus Coquillett, Chironomus 168 

 nitidellus Malloch. Orthocladius 175 

 nitidus Malloch. Orthocladius... 175 

 nivatus MacGillivray, Dolerus. . 243 

 nocivus MacGillivray, Dolerus.. 243 



Noctuidae 161,233 



nocuus MacGillivray, Dolerus.. 243 

 nominatus MacGillivray, Dole- 

 rus 243 



normalis Malloch, Hylemyia.... 202 

 nortonia MacGillivray, Caliroa. . 239 

 nortoni MacGillivray, Caliroa... 239 

 nortonii MacGillivray, Tomoste- 



thus 267 



notabilis Drake and Hottes, Ger- 



ris 146 



Notodontidae 233 



nova MacGillivray, Tenthredo... 263 

 novellus MacGillivray, Dolerus. 243 

 novicius MacGillivray, Dolerus. 243 

 nubilifera Malloch. Sapromyza.. 188 

 nubilipennis Girault, Anagyrus. 217 

 nuda Malloch, Amaurosoma. . . . 185 

 nudifemorata Malloch, Lonchaea 189 

 nugatorius MacGillivray, Dole- 

 rus 243 



numerosus MacGillivray, Dole- 

 rus 243 



nummarius MacGillivray, Dole- 

 rus 243 



Paqe 

 nummatus MacGillivray, Dolerus 244 

 nundinus MacGillivray, Dolerus. 244 

 nuntius MacGillivray, Dolerus.. 244 

 nutricius MacGillivray, Dolerus. 244 

 nyctelius MacGillivray, Dolerus. 244 



O 



obaerata MacGillivray, Macro- 



phya 251 



Oberea Mulsant 160 



ulmicola Chittenden 160 



obliquatus MacGillivray, Tenth- 

 redo 263 



obliterans Walker, Loxostege. .. 161 

 obnata MacGillivray, Macrophya 251 

 obrussa MacGillivray, Macro- 

 phya 251 



obscura Malloch, I^robezzia 176 



obscura Van der Wulp, Mydaea. 205 

 obscuratus MacGillivray, Para- 



charactus 255 



obscuratus Malloch, Chironomus 168 

 obsitus MacGillivray, Aphanisus 237 

 obsoleta MacGillivray, Macroxy- 



ela 234 



obsoleta Malloch, Liimnophora.. 203 

 obtentus MacGillivray, Para- 



charactus 255 



obtusa Malloch. Chloropisca. . . . 190 

 obversus MacGillivray. Para- 



charactus 255 



occidentalis Hart, Forda 155 



occidentalis MacGillivray, Cock- 



erellonis 239 



occidentalis Malloch, Clusia.... 184 

 occidentalis Malloch, Hylemyia. 202 

 occidentalis Rohwer, Periclista. 256 

 occiduus MacGillivray. Aphani- 

 sus 237 



oculata McAtee, Erythroneura. . 150 



Odonata 144 



Odontomyia Meigen 182 



snowi Hart 182 



odoratus MacGillivray, Aphani- 

 sus 237 



Oecanthus Serville 142 



forbesi Titus 142 



nigricornis quadripunctatus 



( Beutenmiiller) 142 



Oecleus Stai 153 



productus Metcalf 153 



Oedaleonotus Scudder 143 



phryneicus Hebard 143 



oediemus Garrett, Acantholeria. 185 

 offensus MacGillivray, Parachar- 

 actus 255 



