OS XMA.TTDM. 



the ventral valve yellow edged with white. Fore wing hyaline, 

 the veins and margins rufous, the costal area broadly suffused 

 with rufous from end of cell to apex. Hind wing hyaline, the 

 veins and margins rufous. 



Hah. Bolivia, Yungas de Coroico (Garlepp), tvpe f <5 in 

 Coll. Rothschild. Exp. 30 millim. 



306 b. Pseudosphex noverca. 



Pseudosphex noverca, Schaus, J. N.Y. Ent. Soc. ix. p. 40 (1901) ; Kaye, 

 Trans. Ent. Soc. 1913, pi. i. f. 4. 



Pseudosphex polybia, Kaye, Entom. xliv. p. 142 (1911). 



Head, thorax, and abdomen black with some grey hairs ; fore 

 coxae on inner side, the tarsi and part of mid tibia? white below ; 

 abdomen with the 1st segment whitish at sides and below and the 

 1st two segments edged with wdiite below ; wings hyaline with 

 the veins and margins black. Pore wing clouded with brown 

 except terminal half of area below vein 5 ; the costal area to 

 median nervure and vein 5 and the inner area to beyond middle 

 clothed with black hair. Hind wing clouded with brown except 

 apical area ; the cell and costal area to beyond middle clothed with 

 black hair. 



Hah. Braztl, Castro Parana, type f $ in U.S. Nat. Mus. ; 

 Fernandes Pinheiro (D. Jones'), cotype f S polybia in Coll. Kaye ; 

 Paraguay, Puerta Bertoni {Bertoni, Schrottky), 3 6, Villa 

 Encarnacion (Schrottky), 1 6 . Exp. 28 millim. 



*30G c. Pseudosphex exsul. 



Pseudosphex exsul, Roths. Nov. Zool. xviii. p. 24 (1911), & xx, 

 p. 471, pi. xiv. f. 3. 



c? . Head and thorax black-brown tinged with grey ; antennae 

 fulvous at tips ; palpi white at tips ; fore coxae white ; legs 

 fulvous ; abdomen with the two basal segments red-brown, the 

 terminal segments black-brown with a slight greyish tinge, 

 the ventral surfaces fulvous with brown bands on the terminal 

 segments, the ventral valve edged with white. Fore wing 

 hyaline, the veins and margins rufous ; the costal area broadly 

 suffused with rufous from end of cell to apex ; the inner margin 

 suffused with rufous to beyond middle. Hind wing hyaline, the 

 veins and margins rufous. 



Hob. ? S. Brazil, type f c? in Coll. Rothschild. Exp. 

 2i millim. 



*306 d. Pseudosphex jonesi. 



Psevdosphex jonesi, Kaye, Entom. xliv. p. 142 (1911) ; id. Trans. Ent. 

 Soc. 1913, pi. i. ff. 5, 5 a. 



8 ■ Head and thorax black-brown with some grey hair especially 

 on head and tegulse ; frons white at sides ; legs streaked with 



