new Species of I/ifcrocera. 407 



liyaliiic spot partly in the cell and j)arlly beyond, the apex 

 broadly yellowish hyaline ; both tlio hyaline inarkin;^.s are 

 thickly spotted with dark brown; a rather lar;;e blnish-bhick 

 *pot at the end of the cell, two minute black spots close to 

 the base : secondaries, the costal half of the win^^ white, the 

 iiHicr half pale brown ; the fringe brown. 



Expanse 1^ inch. 



I/a(>. Porn, Quinton, Carabaya, 5000 feet (.!/«,'?. Druce). 



Idalus marpessa, sp. n. 



Miil . — Head, ]ialpi, antennje, collar/ teguUe, thorax, and 

 base of the abdomen bright red; abdomen dark brown; the 

 underside of the abdonun and the legs white. Primaries 

 .scmihyalino pale yellow; the costal margin from the base to 

 the apex and the basal half of the wing bright red : second- 

 aries red, the apical third of the wing semihyaline pale 

 yellow ; the fringe pale yellow. 



Expanse 1^ inch. 



IJab. Peru, La Union, 2000 feet {31us. Druce). 



Idalus syrissa^ sp. n. 



^faIe. — Head, antennae, collar, tegulte, and thorax blackish 

 brown; palpi red on the underside ; abdomen black, with a 

 white spot on the basal segment; underside of the abdomen 

 yellow ; the legs brown. Primaries very pale yellow, the 

 basal third of the wing dark reddish brown ; a small reddish- 

 brown crescent-shaped spot close to the apex ; the fringe pale 

 yellow : secondaries semihyaline pale yellow, the inner margin 

 broadly banded with brown ; the fringe yellow. 



Expanse 1^ inch. 



JIab. Pern, Kio Huacamayo, 3100 feet {Mus. Drue). 



Idalus rhyssa, sp. n. 



Mcde. — Head, antennae, palpi, collar, tegnla% thorax, and 

 abdomen dark brown, the two basal segments of the abdo- 

 men slightly reddish ; the underside and the legs pure white. 

 Primaries white, the costal margin from the base to the apex 

 black slightly speckled with grey near the base; the basal 

 lialf of tlie wing dark reddish brown, crossed from the costal 

 lo the inner margin by a fine pinkish-white line ; a triangular 

 hyaline white spot below the cell ; the fringe white : second- 

 aries semihyaline w bite, slightly shaded with red along the 

 inner margin. 



Expanse 1| inch. 



Ilah. IS.E. Peru, La Oroya, 3000 feet i^Mus. Ih-uce). 



