VI 



INDEX 



bolivianus (Loxoprosopus) Boic- 



ditch 499 



borelli (Conocephalus). . . .233, 278 



borelli (Xiphidium) 278 



brachypterum (Xiphidium) . . . 269 

 bradleyi (Orchelinium) Rehn 



and Hebard 26, 73 



brevicoUis (Pachybrachys) .317, 393 

 brevicornis (Pachybrachys) 



Fall 320,380 



brevipenne (Xiphidion) 212 



brevipenne (Xiphidium) . . . 177, 216 

 brevipemiis (Conocephalus) 



162, 182, 202 

 brevipennis (Xiphidium). . . 182, 212 

 brachii (Rhinotmetus) Bowditch 490 



bruneri (Orchclimum) 72 



brunneus (Pachybrachys) .. 309, 335 

 bullatum (Orchelimum) Rehn 



and Hehard 25,27,50 



bullatus (Pachybrachys) Fall 



313, 361, 480 

 bumehae (Prociphilus) 85 



Caelatus (Pachybrachys) 



313, 317, 392 



caizanum (Xiphidium) 235 



calcaratum (Orchelimiun) Rehn 



and Hehard 24,27,46 



calcaratus (Pachybrachys) Fall 



316, 389 

 calidus (Pachybrachys) Fall 



315, 379, 480 

 californicus (Pachybrachys) 



Fall 316,325,437 



campestre (OrcheUmum) 60 



camurum (Xiphidium) 191 



canadensis (Cryptosiphum) ... 90 

 canadensis (Microsiphum) . . .88, 90 

 canadensis (Megarhyssa) 



125, 126, 129 



canadensis (Rhyssa) 129 



carbonarius (Pachybrachys) 



325, 461, 480 



carinifrons (Apechoneura) 149 



carinifrons (Rhyssa) 149 



carinipcnnis (Tctragonotes) 



Bowditch 493 



carolinensis (Pachybrachys) 319, 425 



caudatum (Xiphidium) 191 



cephalicus (Pachybrachys) Fall 



319, 418 

 Cerichrestis apicatus Bowditch . 504 



curvilinea Bowditch 505 



jacobyi Bowditch 505 



chacoensis (Metriotes) Bow- 

 ditch 507 



Chaitophorus artemesiae 90 



tridentatae Wilson 88, 89 



chaoticus (Pachybrachys) Fall 



314, 367 

 characteristicus (Pachybrachys) 



315,375 

 Chlorhoda amabilis Schaus. ... 3 

 chrysothamni (Aphis) Wilson.. 101 

 cinereus (Conocephalus) . . . 230, 243 

 circumcmctus (Pachybrachys) 



322, 449 

 Claphe semif unebris Schaus ... 7 

 clarkii (Loxoprosopus) Bow- 

 ditch 500 



clavator (Ichneumon) 125 



clavatus (Megarhyssa) 125 



coloradensis (Pachybrachys) 



312, 350 

 concinnum (OrcheUmum) . 25, 27, 60 

 confederatus (Pachybrachj's) 



Fall 316,387 



conformis (Pachybrachys). .319, 427 

 confusus (Pachybrachys) 



316, 325, 468, 480 

 connexus (Pachybrachys) Fall 



309, 328 

 Conocephalus .... 155, 159, 225, 226 



(key to subgenera) 226 



(key to North American 



subgenera) 158 



(key to North American 



species) 161 



(key to species of South 



and Central America) . . 229 

 aigiakis Rehn and Hebard 



164, 202 



allardi 161,169 



angustifrons 231, 260 



attenuatus 165, 207 



