( 363 ) 



Underside pnler, withont tlio iiinor lino ol' f(ivpwin<j. 



Head, tliorax, and abdomen like wings ; anal tuft of c? briglit yellow. 



Expanse of wings : IS mm. 



2 <?c?, 1 ?, from Organ Mts., Tijuco. 



Subfamily SEMIOTHIRINAE. 

 131. Semiothisa flavida spec. nov. 



Forewing : dull }-ellow, slight I}- gi-ey-speckled ; the marginal area grey-tinged ; 

 costa dotted with blaek, and with lilack s)>ots at the origin of the lines, which are 

 of ihe same grey tinge as the marginal area ; fir.-it and second at one-tifth and two- 

 tifths, outer line at two-thirds, all bent slightly below subcostal, then obli(jue more 

 or less parallel to hindmargin ; outer line followed first by a broad grey line 

 showing through from below, and then by a deutate shade; the outer line marked 

 on veins 3 and 4 by velvety black sj)ots, fullowed by a brown blotch extending to 

 the shade ; fringe yellow like wing, but blaik-brown along the excision, where the 

 marginal line is of the same colour. 



Ilinihfiiig : like forewing, but without basal line and dark blotches ; the outer 

 line fine, dentate-lnuulate, and curved ; the teeth finely marked with black. 



Underside rather brighter ; the inner and outer lines indistinct, the line beyond 

 outer dark brown and thick, followed by a fulvous shade ; slight grey cell-spots. 



Head, thorax, abdomen, and legs all yellow ; forelegs fuscous in front. 



Expanse of wings : 3i) mm. 



1 ? from Guadalite, Cundinamarca, Colombia, Augnstl9U3 (de Mathan) (type), 

 and 1 ? from Chanchamayo, Peru (Schunke). 



Forewing with a shallow excision; hindwing bluntly angled. 



13','. Semiothisa nigrescens spec nov. 



Foreifiiiy : smoky greyish ochreous, with fine dark transverse striae ; this paler 

 ground, however, is visible only in the space between median and outer lines ; the 

 rest of the wing is suffused with deep purplish fuscous; the lines thick, blackish, 

 starting from enlarged costal spots, all three vertical ; first from one-fifth of costa 

 to one-fourth of inner margin ; second from before middle, touching or passing over 

 the cell-spot ; outer line from two-thirds of costa to three-fourths of inner margin, 

 dentate-lnnulate ; an indistinct darker dentate snbmarginal shade ; slight traces of 

 the )ialer ground-colour towards ajjex ; fringe purplish fuscous beyond a deeper line, 

 and jiale-tipped at anal angle ; costa with fine dark and lighter striae, and two or 

 three pale spots before apex. 



IliiKhriiifi : similar, without first line; cell-spot within a curve of the median 

 line; subniarginal line jilainer and straighter; fringe paler. 



Underside pale ochreous, with brown striae ; median line thick, waved, brown ; 

 raai'ginal area purplish brown, leaving a pale space on both wings below vein 4, and 

 with some small white spots before apex of forewing. 



Thorax and abdomen like the dark parts of wings ; head paler, more olive; 

 abdomen below and legs ochreous, dark-s]ie(klod. 



Expanse of wings : 3.'5 mm. 



1 S from Cananche, Cundinamarca, Colombia, August Iitn3 (de Mathan). 



The excision of forewings and angle of hiudwings both slight. 



