HELIACTINIDIA. -LAFAJANA. 327 



*1608a. Heliactinidia flavivena. (Plate L VII. fig. 9.) 



Heliactinidia flavivena, Dogn. Ann. Sec. Ent. Belg. liii. p. 222 (1909). 



<$ . Head and thorax pale brown mixed with yellow; palpi 

 Mack, yellow at base; antennae black, the basal joint yellow; 

 abdomen yellow with dorsal blacli streak; pectus and legs pale 

 brown, the base of legs yellow. Fore wing pale In-own, the veins 

 streaked with yellowish ; an ill-defined greyish white slightly 

 oblique medial band, narrowing somewhat to inner margin ; cilia 

 whitish at tips. Hind wing yellow. Underside of fore wing 

 yellow with the basal half of costa blackish. 



ILah. Colombia, Cali, type t o in Coll. Dognin. Exp. 30 

 millim. 



1608 h. Heliactinidia sitia. (Plate LVII. fig. 10.) 

 Heliactinidia sitia, Schaus, A. M.N.H. (8) vi, p. 406 (1910). 



§. Head and teguke yellow with a brown patch on vertex of 

 head ; palpi and antennae brown ; thorax pale grey-brown ; pectus 

 yellow ; legs brown ; abdomen orange-yellow with dorsal black 

 streak. Fore wing pale fulvous brown, the veins, discal and sub- 

 median folds yellowish ; a narrow oblique yellowish band from 

 eosta beyond middle to tornus. Hind wing semihyaline orange- 

 yellow. Underside of fore wing orange-yellow. 



llah. Costa Rica, Tuis (Schaus), 1 $, Sixola It., .Juan Vinas, 

 El Sitio. Exp. IS millim. 



Genus LAFAJANA. 



Type. 



Lafajana. Dogn. Le Nat. (2) v. p. 257 (1891) cupra. 



Proboscis absent; palpi porrect to beyond the frons, the 2nd joint fringed 

 with long hair below ; eyes rather small ; antenna' of male bipectinate with 

 moderate branches to apes ; head, thorax, and abdomen clothed with long 

 thick hair ■. hind tibiae with one pair of spurs. Fore wing with vein T> from 

 well before angle of cell; 5 from just above angle; 6 from upper angle; 

 7,8, 9 .-talked; L0, 11 from cell. Hind wing with the tornus somewhat 

 luhed ; the cell long : vein :'• from well before angle ; 5 from just above angle ; 

 <!, 7 shortly stalked ; 8 from before middle of cell. 



In key differs from Microdota in the proboscis being absent, the eyes small, 

 the head, thorax, and abdomen clothed with long hair. 



*1608 b. Lafajana cupra. 



Lafajana cupra, Dogn. Le Nat. (2) v. p. 258(1891) ; id.Lep. Loja, p. 91, 

 pi. 9. f. 17 ; Kirby, Cat. Lep. Het. p. 926. 



<5 . Head, thorax, and abdomen black-brown; vertex of head 

 ochreous yellow; shoulders, sides of thorax, pectus, coxae, base of 

 abdomen, and ventral surface except at base orange-red; legs 

 shot with blue. Fore wing black-brown, the cell, a patch below 

 it, and the interspaces between veins '2 and 5 except at termen 



