INDEX. 



363 



Myrmecocystus, 171 



Myrmica molesta, 171 



Myrraosa unicolor, 172 



Mytilaspis citricola, 79 

 gloverii, 79 

 pomorum, 79 



Nabis f erus, 83 



Nacerdes melanura, 103 



Naucoridse, 83 



Necropborus Arnericanus, 112 



Neides spinosus, 84 



Nematocera, 134 



Nematus ericbsouii, 166 



ventricosus, 166, 217 

 Nemestrinidae, 133 

 Nepidaa, 83 

 Nepticula, 151 

 Nervous system, 13 

 Net, insect, 226 

 Neuroptera, 55, 84 

 Neuroterus lenticularis, 167 

 Nisoniades brizo, 160 

 Nit, 78 



Nitidula bipustulata, 110 

 Noctuidaa, 154 

 Notodontians, 155 

 Notonecta uudulata, 83 

 Notoxus ancbora, 103 

 Nycteribia westwoodi, 124 

 Nympb, 72 

 Nympbalidse, 160 

 Nysson lateralis, 174 



Odonata, 55, 68 

 Odontornacbidae, 171 

 Odontomacbus, 171 

 Odors of insects, 149 

 Odynerus albopbaleratus, 175 

 CEcantbus iiiveus, 63 

 (Ecopbylla sraaragdina, 183 

 (Edemeridse, 103 



(Edipoda Carolina, 63 

 CEneis seniidea, 161 

 (Esopbagus, 7 

 (Estridse, 131 

 (Estropsidae, 90 

 Olfactory organs, 26 

 Oncideres cingulatus, 105 

 Ontbopbagus rangifer, 96 

 Opbion, 168 



Opomyza signicosta, 128 

 Orgyia, 156 



Orpbnepbila testacea, 135 

 Ortboptera, 55, 59, 282 

 Ortalidae, 129 

 Ortborbapba, 132 

 Oscinidse, 126 

 Osmia siniillima, 186 

 Otbnius umbrosus, 103 

 Otiorbyncbus sulcatus, 101 

 Ovaries, 32 

 Oviduct, 33 

 Ovipositor, 4, 34 



Pacbycoris torridus, 84 

 Paliugenia bilineata, 72 

 Paltostoma torrentiura, 135 

 Pangaeus bilineatus, 84 

 Panorpa, 89 

 Panorpidae, 89 

 Papiliouidae, 160 

 Papilio ajax, 42 



turnus, 139, 140, 160 

 Parandra brunnea, 106 

 Paraponyx, 152 

 Paris green, 222 

 Parnassius, 160 

 Parnidae, 110 

 Parnopes, 170 

 Partbenogenesis, 41 

 Passalaecus mandibularis, 175 

 Passaluscornutus, 107 

 Peacb-tree borer, 215 



