PSEUDOSPHEX. 87 



Hab. Venezuela, Caura R., La Vuelta {Klages), type f d 

 steiribacM in Coll. Rothschild, Carosito ; Bolivia, Sta. Cruz del 

 Sierra. Exp. 31< millim. 



*305 d. Pseudospliex aurifera. (Plate IV. fig. 19.) 



Pseudosphex aurifera, Klages, Pr. U.S. Nat. Mus. xxix. p. 531 (1906). 



$. Head dark brown; antenna? fulvous with the dilated part 

 purple ; 2nd and 3rd joints of palpi, frons, and gulae with some 

 grey hair; thorax clothed with golden hair; pectus dark brown ; 

 legs fulvous, the fore legs dark ; abdomen fulvous brown, the sides 

 and ventral surface of 2nd segment and ventral fringe on 3rd s eg- 

 ment silvery. Fore wing hyaline yellow, the veins and margins 

 brown ; the costal half to median nervure and vein 5 suffused with 

 brown, less strongly in cell towards base ; the inner margin with 

 brown fascia expanding to vein 1 on basal half. Hind wing 

 hyaline yellow, the veins and margins brown ; a fulvous costal 

 fascia, the extremity of cell rather thinly clothed with brownish 

 scales. 



Hab. Venezuela, Suapure {Klages). Exp. 30 millim. This 

 species is unknown to me, figured from a drawing from tvpe in 

 U.S. Nat. Mus. 



305 e, Pseudosphex polybioides. 



Pseudosphex polybioides, Burm. Descr. Rep. Arg. v. p. 372 (1878) ; Kaye 

 Trans. Ent. Soc. 1913, pi. i. ff. 6, 6o. 



Pseudosphex sericea, Schrottky, Iris, xxiv. p. 148 (1910). 



Head bluish black with some grey hair ; palpi with the 3rd 

 joint pale fulvous; thorax black with some grey hair; legs fulvous, 

 the femora and fore tibia? marked with black ; abdomen black, the 

 1st two segments fulvous brown and whitish, the 1st segment of 

 ventral surface long. Fore wing semihyaline fulvous, the terminal 

 area dark brown. Hind wing semihyaline fulvous. 



Hab. Paraguay, Puerta Bertoni (Sclirottky), 1 $; Ai«;en- 

 tixa, type f 2 in Mus. Buenos Ayres. Exp. 30 millim. 



300. Pseudosphex ichnsumonea del. P. polybioides. 

 *306 a. Pseudosphex garleppi. 



Pseudosphex garleppi, Ruths. Nov. Zool. xviii. p. 21 (1911), & xx. 

 p. 171, pi. xiv. f. 2. 



3 . Head and thorax dark red-brown; frons suffused with 

 whitish ; teguhe and patagia edged with yellow ; antennae 

 yellowish at tips; a white line behind the eyes; palpi except at 

 tips and pectus black-brown; legs yellow, the fore coxae white, 

 the femora towards base and the fore tibiae above black-brown ; 

 abdomen black-brown, the 1st and 2nd segments yellow at sides, 



