514 PROCEEDINGS OF THE NATIONAL MUSEUM tol. los 



markings much smaller and more narrow than in females of xanthodice, 

 with submarginal sagittate markings of hindwing very indistinct. 

 Wings below as in the male. 



Length of forewing, 23-24 mm. (average, 23.5 mm,). 



Female genitalia as illustrated (fig. 93), with anterior lobe of inner 

 genital plate subtriangular and with posterior and ventral margins of 

 this lobe slightly u-regular and undulate. Ductus bm-sae with sclero- 

 tized ring around area at opening of ductus seminalis. Only one of the 

 two available females was dissected for study. 



Type locality: "Cerros de Aconquija," Province of Catamarca, 

 Argentina. 



Additional type data: Described from males and females, cotypes 

 (number not specified), from Cerro Negro (3,500 m.), La OUada 

 (3,100 m.), and Cerro de la Ensenada (3,200 m.), all in the Sierra de 

 Aconquija, Province of Catamarca, Argentina (on the wing in Febru- 

 ary and March). 



Location of types: In the collection of the Museo Ai'gentino de 

 Ciencias Naturales, Buenos Aires. One male cotype (Cerro Negro) 

 and one female cotype (La Ollada) in the collection of the U. S. 

 National Museum. One male cotype (Cerro Negro) in the collection 

 of the British Museum (Natural History). 



Method of identification: By a study of the three cotypes 

 available to us for study and of the well-prepared original description 

 and illustrations. 



Distribution: Known only from Argentina. 



Argentina: Province of Tucumdn, Casa de Piedra (3,150 m., February), La 

 Ollada (3,100 m.). 



[A single specimen in the collection of Cornell University is labeled "Puno Peru, 

 17. XII. 38, Leg. Loukuf." This record is very doubtful and should be further 

 verified before acceptance.] 



Material studied: 6 males, 2 females. 



U.S. eOVtRNMtNT PRINTING OFFICE: U69 



