312 



U. S. NATIONAL MUSEUM BULLETIN 216 



nigripalpis tectulum, Exochus, 172, 217 

 (key), 218; and 268, 284, 294, 

 298 (figs.) 



nipponensis, Colpotrochia (Colpotro- 

 chia), 132 



notatus, Metopius (Peltales), 92, 95, 96 



o 



occidentis, Triclistus, 108 (key), 109 



(key), 115, 116, 292 (fig). 

 ochreatus, Exochus, 174 (key), 201, 202, 



297 (fig.) 

 Odontotylocomnus, 8 



pilosus, 8 

 Oligoplectron, 136 

 onitis, Trieces, Chorinaeus, 35 (key), 



57, 58, 284 (fig.) 

 onitis (group), Trieces, 34 (key), 56 

 opaca, Hypsicera cuneata, 165 (key), 



166, 287 (fig.) 

 opacitas, Chorinaeus, 14 (key), 24, 283 



(fig.) 

 orias, Exochus mitratus, 181 (key), 182; 



and 293, 294, 296 (figs.) 

 orientalis, Colpotrochia (Scallama), Col- 



potrochioides, 128 

 ostentatus, Exochus, 177 (key), 251, 



252, 295 and 300 (figs.) 

 ovatus, Hyperacmus, 163 



pallidipes, Exochus, 256 



pallipes, Exochus, 256 



pallipes, Triclistus, 108 (key), 109 (key), 



124, 291, and 292 (figs.) 

 paradoxa, Carria, 154 

 passaventi, Exochus, 196 

 pectoralis, Metopius (Cultrarius), 78 



(key), 85, 86, 89 

 Peltales, Metopius, 61 (key), 91, 272, 

 and 290 (figs.) 

 errantius, 92 (key), 272 (fig.) 

 errantius arizonicus, 93 (key), 94, 



95, 290 (fig.) 

 errantius californicus, 75, 93 (key), 



95, 290 (fig.) 

 errantius errantius, 93 (key), 290 



(fig.) 

 errantius floridanus, 93 (key), 94, 



290 (fig.) 

 notatus, 92 (key), 95, 96 

 scutatifrons, 92 



Peltastes, 62 



pollinctorius, 98 



vespoides, 62 

 Peltocarus, Metopius, 61 (kev), 271 



(fig.) 

 croceicornis, 61 

 dentatus, 62, 271 (fig.) 

 micratorius, 61, 97 

 Peltopius, 62, 63 



vespoides, 62 

 Periope, 7 (key), 186, 277 (fig.) 

 aethiops, 187 



auscultator, 136, 137, 277 (fig.) 

 hoerhammeri, 136, 137, 277 (fig.) 

 peroniae, Exochus, 175 (key), 234, 235, 



294 and 299 (figs.) 

 petiolaris, Colpotrochia (Scallama), Alo- 



mya, 128 

 pictilis, Exochus dorsalis, 247 (key), 248 

 pictus, Exochus, 172 (key), 185 

 pictus, Exochus, Amesolytus, 247 

 pictus pictus, Exochus, 185 (key), 186 

 pictus (species group), Exochus, 6, 172 



(key) 184 

 pictus xanthopsis, Exochus, 185 (key), 

 186, 187; and 284, 293, 294, 296 



(figs.) 

 pieli, Metopius (Ceratopius) dissecto- 



rius, 106 

 pinatorius, Metopius, 97, 98, 99, 274 



(fig.) 

 pilosa, Colpotrochia (Colpotrochia), In- 



oresa, 128, 132 

 pilosus, Pseudometopius, Odontotylo- 

 comnus, 8 

 platysoma, Trieces, 46, 48 

 Plectiscinae, 3 

 Plesioexochus, 160 



rufipes, 160 

 pleturus, Chorinaeus longicalcar, 15 



(key), 16, 17, 283 (fig.) 

 pleuralis, Exochus, 178 (key), 256, 295 



and 301 (figs.) 

 podagricus group, Triclistus, 108 (keys), 



121 

 podagricus, Triclistus, Exochus, 107, 108 



(key), 109 (key), 122, 123, 275 



(fig.) 



pollinctorius, Metopius (Tylopius), Pel- 

 tastes, 98 (key) 



pollinctorius nevadensis, Metopius (Ty- 

 lopius), 98 (key), 99, 100, 291 

 (fig.) 



