Jfett rocera froin Cosia It tea. 35 



Fore wings : a broad medial black band, expanding alonnr 

 inner mnrgin to tornua; an apical black patch from just 

 below vein 5. Hind wings : the outer margin broadly black 

 at apex, narrowing to anal angle. 



Expanse 'JO mm. 



JJab. Sitio, Juan Vinas. 



Chrostosoma fiimosa, np. n. 



cJ . Body black ; a crimson spot on shoulders, on patagin, 

 and dorsally on abdomen at base. Fore wings semiliyaline, 

 smoky brown; the veins and cilia black; tlie outer margin 

 narrowly suffused with black. Hind wings semihyaline 

 black. 



Expanse 25 mm. 



JJub. Sixola. 



Cosmosoma galbana, sp. n. 



(J. Palpi, frons, and antenna3 brown; vertex black. 

 Collar, thorax, and abdomen yellow; last segment black 

 expanding dorsally on previous segment. Legs chiefly lioht 

 brown ; coxse yellow ; hind tarsi yellowish buff. Wings 

 hyaline ; some yellow at base, followed by black ; veins and 

 outer margins black, expanding at apices and at tornus. 



Expanse 3o mm. 



Hub. Juan Vinas, Sitio. 



Cosmosoma thia, sp. n. 



cJ . Palpi, head, collar, thorax, and legs dark brown ; 

 some metallic-blue shadings on i'rons and tegulse ; the coxae 

 shaded with blue-black. Abdomen bright yellow, the last 

 two segments black. Wings hyaline ; the veins and margins 

 black, expanding at apices and at tornus; a rather heavy 

 angled black line on discocellular. 



Expanse 29 mm. 



Hob. Juan Vinas, Sitio. 



Cosmosoma galatea, sp. n. 



S • Palpi, collar, thorax, and legs black ; frons white ; 

 two white spots on vertex ; white spots on tegulaj and 

 patagia ; throat and base of fore coxas white. Abdomen 

 deep yellow ; last four segments above black, shaded witli 

 steel-blue ; below only last two segments black. Wings 

 hyaline, the veins and margins bhick. Fore wings : the 



3* 



