242 SPHEGID^. 



li^. Pubescence on thorax white, 



. . , , , 1 J -ii, ui 1 \^- aurulentus (var. 



a\ Abdomen red, marked with black . . ^ Uneolus), p. 251. 



h^. Abdomen wholly black S. nvjellus, p. 249. 



d' . Wings dark fuscous with a purple efful- 

 gence S. maurus, p. 247. 



b. Postscutellum not notched. 

 a'. Wings flavo-hyaline. 



a^. Median segment posteriorly concavo- 



truncate. 'S'. cegyptius, p. 245. 



}}-. Median segment posteriorly rounded . . S. nu/ripes, p. 248. 



b'. Wings clear hyaline S. nivosus, p. 244. ^ 



I ^xr• J 1 p I '^. niqrives (var. sia- 



c . Wings dark tuscous { ^ -^ „ O/iq 



° I mensis), p. z4o. 



c. Scutellum not notched ; postscutellum [p. 244. 



notched S. fulvo-hirtus, 



d. Both scutellum and postscutellum without 



notch. 

 a'. Wings flavo-hyaline. 



a^. Pubescence on fi'ont of head and on 



thorax golden S. aurifrons, p. 247. 



U^. Pubescence on front of head and on [p. 246. 



thorax silvery S. xanthopterus, 



b' . Wings hyaline, with a dark apical fuscous 



spot on fore wing S. maia, p. 249 



c' . Wings hyaline, shaded with brownish 

 fuscous and with iridescent purple efful- 

 gence >S'. edax, p. 25 



d'. Wings dark fuscous S. morosics, p. 246 



C. Tarsal claws tridentate ^S". viduatus, p. 252. 



(GrEOUP I. Claivs unidentate.) 



454. Sphex lobatus, Fabr. Syst. Ent. p. 348 ; Kohl, Ann. NaUirhist. 

 Hofmus. Wien, v, 1890, p. 177. 

 Sphex smaragdinus, Drury, III. Exot. Ins. iii, p. 57, pi. 42, fig. 2. 

 Sphex coerulea; Christ, {nee Drury), Naturg. Ins. p. 308. 



^ 



Fig. 63. 

 Sphex lobatus, (J , head. 



Fig. 62.—Spkex lobatus, $. 



Sphex chrysis, Christ, Naturg. Ins. 310, pi. xxx, fig. 7. 



Chlorion lobatum, Fnbr. Ent. Syst. ii, p. 206 ; Smith, Cat. iv, p. 237 



Chlorion azureum, Lepel. et Serv. Encycl. MHh. x, p. 451. 



