SAROSA. 105 



*37S a. Sarosa flavicostalis. 



Cosmosoma flavicostale, Roths. Nuv. Zool. xviii. p. 33 (1911), & xx. p. 472, 

 pi. xiv. f. 42. 



6 ■ Head and thorax black-brown ; lower part of frons and basal 

 joint of antennae in front white ; patagia and dorsum of thorax with 

 pale yellowish streaks; pectus with yellow patches; coxie white; 

 tarsi streaked with yellow ; abdomen black suffused with metallic 

 blue except at base, the two basal segments with yellowish white 

 bands, the 3rd to 5th with narrow yellow bands, the ventral valve 

 with white band at extremity and the two following segments with 

 white bands. Fore wing hyaline, the veins and margins narrowly 

 black-brown; two white points at base; orange-red fascia? below 

 costa and above inner margin except towards termen ; the terminal 

 band expanding somewhat towards apex. Hind wing hyaline, the 

 veins and margins black-brown ; the terminal band expanding 

 lather irregularly below vein 2 ; the underside with orange-red 

 fascia below costa. 



Hab. Peru, Carabaya. K. Huacamayo (Ockendeu), type f <$ in 

 Coll. Ivothschild. JEccp. 36 millim. 



*378 b. Sarosa epona. (Plate V. fig. 18.) 



Sarosa epona, Dogn. Ann. Soc. Ent. Belg\ xlvi. p. 226 (1902). 



6 ■ Head and thorax yellow ; antenna 1 and patches on teguke and 

 patagia and a streak on thorax black, the tegula? with blue spots ; 

 pectus with blue spots ; legs streaked with black and marked with 

 metallic blue ; abdomen } r ellow banded with black and with sub- 

 dorsal and lateral series of blue spots. Fore wing hyaline yellow, 

 the veins and margins black ; some metallic blue at base and yellow 

 streaks above and below base of vein 1 ; the terminal band expanding 

 widely on apical area and slightly at vein 2. Hind wing hyaline 

 yellow, the veins and margins black, the terminal band expanding 

 irregularly towards tornus. 



llab. Venezuela, type f 6 in Coll. Dognin. Exp. 3(3 millim. 



*378 c. Sarosa atritorna. (Plate V. fig. 19.) 



Sarosa atritorna, Dogn. Hc't. Nouv. Am. Sud, v. p. 4 (1912). 



<5 . Head and thorax fulvous yellow mixed with black-brown, the 

 vertex of head with some silvery blue ; antennae black-brown, tin- 

 shaft yellow above towards tips; abdomen fulvous yellow with 

 black hands on which arc metallic blue subdorsal spots, except on 

 terminal segments which have black subdorsal spots, the ventral 

 surface yellow with black bands on three medial segments, the 

 terminal segments fulvous yellow with small ventral black spots. 

 Fore wing yellowish hyaline, the veins and margins black-brown ; 

 a yellow streak below costa to beyond middle, some yellow above base 

 of vein 1, and a yellow streak above basal half of inner margin ; the 



