Heterocera from Costa Rica. 13 



Hind wings below buff-white, more thickly irrorated with 

 fupcnus brown ; a black discal spot and smaller spots on post- 

 medial and subteiininal below vein G. 



Expan«;e !!:> nun. 



Hab. San Gerouimo. 



GiRTESMA, gen. nov. 



Male. — Antennse pubescent, ciliate. Palpi flat, outwardly 

 clothed with spatulate scales, the second joint upcuived, the 

 third bent back, barely reacliing thorax. Legs smoothly 

 scaled. Fore wings large, apex, acute, the termen bluntly 

 })roduced at vein 4 ; vein 3 from before lower angle ; 4 and 5 

 from lower angle ; 6 from below upper angle ; no areola ; 

 7 shortly stalked with 8 and U; 10 and 11 from cell. Hind 

 wings ljri)ad, the outer margin angled at vein 2, the anal 

 angle obtuse ; veins 3 and 4 on short stalk ; 5 from near 

 lower angle ; 6 and 7 from upper angle. 



Type of genus, Girtesma messala, Schs. 



General appearance of Margiies, Dr., which has vein 10 

 stalked with 8 and 9. 



Girtesma messala, sp. n. 



(^ . Palpi browji, the scales partly opalescent. Head and 

 collar brownish buff, with a few dark irrorations. Thorax, 

 base of abdomen, and fore wings pale buff irrorated with dull 

 brown ; abdomen otherwise brown above, with pale seg- 

 mental lines. Fore wings : the scales partly curved at tips 

 Mith a silvery reflection; costa shaded with brown ; ante- 

 medial line brown, v^nvy, nearly vertical; traces of a brown 

 medial shade ; postmedial line fine, slightly inbent below 

 vein 5, followed by brown shading to the more heavily 

 marked reddish-biown subterminal line, this shading crossed 

 by an indistinct darker line; termen rather paler, irrorated 

 with brown ; a marginal interrupted black line. Hind wings 

 shaded with brownish grey ; postmedial line and line following 

 it indistinct, the subteiininal indistinct except from veins 

 4-2, where it is reddish biown, aiigled at vein 2 and fuscous 

 grey to inner margin, followed between 4 and 2 by a dark 

 greyish line; marginal line as on fore wings; cilia brown. 

 Wings below darker, dull fuscous brown, with an indistinct 

 dark postmedial line. 



Expanse 37 mm. 



Hab. Juan Vinas. 



