INDEX 



XV 



rosenbergii (Tetragonotes) Bow- 

 ditch 490 



rosenbergii (Hapolotrius) Boiv- 



ditch 504 



rosenbergii (Homotyphus)5ou;- 



dilch 495 



rubicundus (Lachnus) Wilson.. 104 



Saltans (Conocephalus). . . .165,216 



saltans (Xipliidium) 216 



saltator (Conocephalus). . . .232, 269 



saltator (Xiphidium) 269 



sanguineus (Pachybrachys) Fall 



324, 474 

 sani'ita (Pachybrachys) . . . .318, 412 

 sceletozona (Afrida) Schaus. . . 1 



scudderi (Xiphidium) 207 



semifunebris (Claphe) Schaus. 7 

 senegalense (Orchelimum) .... 13 

 senegalense (Thyi-idorhoptrum) 13 

 sericeus (Metriotes)Bo»'c/i7c/i. . 508 

 sericeus (Tetragonotes) Bow- 

 ditch 491 



Shasta (Pachybrachys) 311, 315, 343 

 signatifrons (Pachybrachys) 



317, 325, 400 

 signatus (Pachybrachys).. .318,401 

 similis (Octogonotus) Boivditch 502 

 similis (Rhinotmetus) Bowditch 488 

 similissima (Vespola) Schaus. . . 3 



Siphonaphora frigidae 97 



silvaticum (Orchelimum) 29 



skinneri (Rhyssa) 141 



snowi (Pachybrachys) 316, 383 



sobrinus (Pachybrachys) 



314, 364, 480 

 sonorensis (Pachybrachys) . 320, 434 

 spartinae (Conocephalus) . . 165, 212 



spartinae (Xiphidium) 212 



spinipennis (Homotyphus) Bow- 



dilch 497 



spinosus (Conocephalus) 



162, 180, 230, 254 



spinosus (Xiphidium) 254 



spinulosum (Orchelimum). ... 17, 18 



spinulosum (Xiphidium) 29 



spinosus (Physimerus) Bowditch 493 

 spinosus (Xiphidium) 180 



spumarius (Pachybrachys) .319, 422 

 Stenorhoptrum Rehn and Heb- 



ard 19, 21 



sternata (Pseudorhyssa) Wilson 150 

 stictomerus (Conocephalus) 



Rehn and Hebard. . . 164, 199 

 strictoidcs (Conocephalus) . 233, 285 



strictoides (Xiphidium) 285 



strictus (Conocephalus) 163, 193, 231 



strictum (Xiphidium) 193 



stygicus (Pachybrach3^s) Fall 



325, 416 

 subfasciatus (Pachybrachys) 



324, 376, 480 

 sublimatus (Pachybrachys) 



Fall 311,322,449 



subterrans (Amphorophora) 



Wilson 99 



subvittatus (Pachybrachys) 321, 446 

 superbum (Orchelimum) Rehn 



and Hebard 25, 26, 76 



superbus (Megarhyssa) 125 



Tacitus (Pachybrachys) Fall 



312, 353 



terminalis (Rhyssa) 148 



Tetragonotes SLpicalis Boivditch . 492 



csLvimpenms Bowditch 493 



haroldi Bowditch 492 



rosenbergii Bowditch 490 



sericeus Bowditch 491 



truncatipennisi?0M;di7c/i. . . 493 

 texanus (Pachybrachys) . 



314, 362, 481 



Thalessa histrio 125, 152 



nortonii 131 



quebecensis 131 



Thecoxiphidion 170 



thoracicus (Pachybrachys) Fall 



309, 330 

 Thyridorhoptrum Rehn snd 



Hebard 13 



senegalense 13 



Titya albiapicata (Sc/i«ws 6 



tridcns (Pachybrachys) 320, 439, 481 

 tridentatae (Aphis) Wilson ... 88, 94 

 tridentatae (Chaitophorus) 



Wilson 88,89 



