310 



U. S. NATIONAL MUSEUM BULLETIN 216 



mandibularis species group, Exochus, 



173 (key), 262 

 mansuetor, Ichneumon, 163 

 marlatti, Trieces, Chorinaeus, 36 (key), 



51, 52, 286 (fig.) 

 masoni, Trieces, 35 (key), 87, 285 (fig.) 

 medianus, Metopius, 105 

 megadon, Exochus, 178 (key), 259, 295 



and 301 (figs.) 

 Megalomya, 4 

 Megatrema, 150 



albopilosa, 150 

 melanocephalus, Triclistus, 108 (key), 



126, 127, 292 (fig.) 

 mesodon, Exochus, 178 (key), 258, 259, 



295 and 301 (figs.) 

 mesorufus, Exochus, 176 (key), 231, 232, 



294, and 299 (figs.) 

 Metacoelus, 160 



femoralis, 160 

 metallicus, Metopius (Ceratopius), 106 

 Metopiinae, 5 

 Metopiini, 3 



Metopius, ix, 3, 4, 5, 6 (key), 59, 271- 

 274 and 288-291 (figs.) 

 (Ceratopius) baibarensis, 106 

 (Tylopius) basalis, 97 (key), 104 

 (Tylopius) basalis basalis, 104 



(key), 105 

 (Tylopius) basalis heinrichi, 104 



(key), 291 (fig.) 

 (Tylopius) bellus, 98 (key), 102, 



291 (fig.) 

 (Cultrarius) birkmani, 78 (key), 86, 



88, 90, 290 (fig.) 

 (Metopius) browni, 63 

 (Cultrarius) comptus, 78 (key), 79, 



289 (fig.) 

 (Cultrarius) consector, 78 (key), 83, 



84, 289 (fig.) 

 cordiger, 98 



(Tylopius) coreanus, 97 

 (Peltocarus) croceicornis, 61 

 (Peltocarus) dentatus, 62, 271 (fig.) 

 dissectorius, 106 



(Ceratopius) dissectorius lar, 106 

 (Ceratopius) dissectorius pieli, 106 

 (Ceratopius) dissectorius trifascia- 



tus, 106 

 (Tylopius) edwardsii, 97 (key), 100, 



102, 103, 291 (fig.) 

 (Peltales) errantius, 92 (key), 272 

 (fig.) 



Metopius — Continued 



(Peltales) errantius arizonicus, 93 



(key), 94, 95, 290 (fig.) 

 (Peltales) errantius californicus, 75, 



93 (key), 95, 290 (fig.) 

 (Peltales) errantius errantius, 93 



(key), 290 (fig.) 

 (Peltales) errantius floridanus, 93 



(key), 94, 290 (fig.) 

 (Metopius) femoratus, 63 

 fusiformis, 11 

 (Metopius) galbaneus, 63 (key), 74, 



75, 289 (fig.) 

 grandior, 65 



hagenii, 8, 9, 10, 269 (fig.) 

 harbecki, 66 



(Metopius) krombeini, 63 (key), 69 

 (Metopius) krombeini epixanthus, 



69 (key), 70, 288 (fig.) 

 (Metopius) krombeini krombeini, 



5, 60, 69 (key), 70, 288 (fig.) 

 laticinctus, 78 

 medianus, Metopius (Tylopius), 



105, 106 

 (Ceratopius) metallicus, 106 

 micratorius, 61, 62, 97, 99 

 (Metopius) mimicus, 60, 63 (key), 



68, 69, 272 (fig.) 

 montanus, 72 



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

 (Cultrarius) pectoralis, 78 (key), 



85, 86, 89 

 (Tylopius) pinatorius, 97, 98, 99, 



274 (fig.) 

 (Tylopius) pollinctorius, 98 (key) 

 (Tylopius) pollinctorius nevadensis, 



98 (key), 99, 100, 291 (fig.) 

 (Tylopius) pollinctorius pollinc- 

 torius, 98 (key), 99, 291 (fig.) 

 (Metopius) pulchellus, 64 (key), 71 

 (Metopius) pulchellus montanus, 



72 (key), 73, 288 (fig.) 

 (Metopius) pulchellus pulchellus, 



72 (key), 73, 74, 289 (fig.) 

 (Metopius) pulchellus sonora, 72 



(key), 73, 288 (fig.) 

 (Cultrarius) rileyi, 77, 78 (key), 90, 



273, and 290 (figs.) 

 (Metopius) robustus, 63 (key), 64, 



66 

 (Metopius) robustus concinnus, 64 



(key), 65, 288 (fig.) 



