574 ANALES DEL MUSEO NACIONAL DE HISTORIA NATURAL 



(along eyes) raargin covered with small yellow scales, face dark, co- 

 vered with yellow pubescen ce (except at jowls) not of uniform deii- 

 sity ; antenual joints sleuder, their relative lengtlis being 1,0 ; 1,10 ; 

 3,0 ; arista 3,0 ', basal joints yellowisli, third joint and arista dark 

 brown. Thorax : Mesonotiim witli three transverso roAvs of yellow 

 scales, tlie ftrst and second continued over into tlie pleura and meet- 

 ing on tbe sternopleura ; apex of scutellnm ratber sbarply pointed. 

 Legs : Yellowisb brown ; femora moderately tbickened, fore fémur 

 witb single row of spines on apical two-tbirds ; second with double 

 row on apical two-tbirds and bind fémur witb a double row on its 

 entire lengtb ; all femoral spines ventral and unusually large. Abdo- 

 men : Slender, second, tbird and fourtb tergites eacb a little longer 

 tban broad^ first tergite dark, second yellow witb a median longitu- 

 dinal dark strip wbicb is expanded bebind and extends clear across 

 tbe posterior margin ; tbird similar but witb tbe black more extensive ; 

 fourtb entirely dark and witb scattered wbite scales and very spars.e 

 wbite pile. Wings : Olear, villi dark brown, anterior margin narrowly, 

 and a narro w prea pical cross band (wbicb does not extend to post 

 margin) dark brown ; spurious vein absent, fourtb vein meets tbe tbird 

 at a sliarp angle, tbe petiole beyond a little longer tban lengtb of 

 discal crossvein. 



One male. 



Type locality : Bolivia (Prov. Sara). 



Type : In collection of Museo Historia Natural de Buenos Aires, 

 n" 11.803, J. Steinbacb leg., 1916. 



Lepidostola ortalina, Van der Wulp 



L. ortalina, V. D. Vulp, Tyds. voor Eiifom., vol. 31, pag. 374, 1888. (Vide 

 F. Lynch Arribálzaga, An. Soc. Cient. Argentina, vol. 32, pag. 43, Bue- 

 nos Aires, 1893). 



Tbree specimens (females) of anotber species of tbis genus are at 

 band from Argentina, namely Lepidostola ortalina, original!}^ des- 

 cribed from Córdoba. Apparently tbe species is rare as additional 

 specimens bave not beeu recorded since it was first described. 



It differs from L. Bréthesí in baving only one trans verse band of 

 yellow scales on tbe mesonotura, posterior margin; wbitisb scales are 

 scattered over tbe remainder of mesonotum ; and tbe scutellum is 

 produced backward somewbat in tbe manner of an obtuse tborn ; 

 tbe basal tbird of all tbe femora and tbe tbree basal joints of all tbe 

 tarsi are brigbt yellow, remainder of legs blackisb. In respect to tbe 



