LEPIDOPTERA HETEROOERA. 1361 



Genus PHAKELLURA, C. L. H. xviii. 509. 

 Phakellura arguta. 

 arguta, Ld. Wien. Ent. Mon. vii. 478, pi. 13, f. 15. 

 North America. 



Phakellura advenalis. 

 advenalis, Ld. Wien. Ent. Mon. vii. 478, pi. 13, f. 17. 

 China. Japan. Java. 



Phakellura exclusalis. 



Mas. Fusca ; antenna argenteo-cinerece, subpubescentes ; abdomen, 

 fasciculo^apicali luteo apicefusco alboque subtus nigro ; pedes 

 argenteo-albi, longi, gracillimi ; alee cuprece, plaga alba 

 hyalina. 



Male. Brown. Antennae silvery cinereous, long, slender, 

 minutely pubescent. Abdomen extending much beyond the hind 

 wings ; apical tuft black beneath, luteous above, except towards the 

 tip, where it is dark brown and white. Legs silvery white, long, 

 very slender. Wings cupreous; disk with a white hyaline iridescent 

 patch, which is very large in the hind wings. Length of the body 

 6 lines; of the wings 12 lines. 



This species belongs to the group of which P. nitidalis is the 

 type. 



Bogota. In Mr. Birchall's collection. 



Genus MARGAEONIA, C. L. H. xviii. 518. 



Margaronia auricostalis. 



auricostalis, Wlk. Trans. Ent. Soc. Lond. 3rd Ser. i. 124. 



Para. 



Margaronia frontalis. 



Mas. Nivea, gracilis ; caput antice nigricans ; palpi nigricantes, 

 porrecti, rostriformes, capitis latitudine paullo longiores, arti- 

 culo So lanceolato ; abdomen alas posticas longe superans, 

 vitta costali nigricante abbreviata. 



