LEPIDOPTERA HETEROCERA. 559 



Female. Kosy. Head and thorax reddish cinereous. Palpi 

 blackish at the tips, longer than the breadth of the thorax. Antennae 

 slightly pectinated. Abdomen cinereous above, extending much 

 beyond the hiud wings. Fore wings narrow, hardly acute, with 

 a blackish point in the disk and with an exterior oblique line of 

 blackish points ; exterior border extremely oblique. Length of the 

 body 10 lines ; of the wings 20 lines. 



The narrow fore wings of this species distinguish it from 

 O. nasula. 



a. Moreton Bay. From Mr. Diggles' collection. 



Opsirhina nasuta. 



nasuta, Cat. Lep. Het. vi. 1420 — Gastrophacha nasutula? Wlngr. 

 Wien. Ent. Mon. iv. 166. 



Genus PACHYPASA, C. L. H. vi. 1422. 



Pachypasa effusa. 



Mas. Fusca, crassa ; anlennce nigra, breves, pectinatce ; abdomen 

 luteum, apicem versus ferrugineum ; alee antica longissima, 

 subacute, fasciis sex cinereis obliquis diffusis ; postica? sub- 

 hyulince, margine latissimo fusco. 



Male. Brown, very thick. Palpi very short. Antenna? black, 

 short, moderately pectinated. Abdomen luteous, extending much 

 beyond the hind wings, dark ferruginous towards the tip, brown 

 beneath. Legs short, stout, pilose. Fore wings very long, slightly 

 acute, with six irregular oblique diffuse cinereous bands ; first, 

 second, and third bands near together; fourth and fifth nearly con- 

 tiguous; sixth submarginal, attenuated hindward where it is con- 

 nected with the fifth ; exterior border slightly convex, extremely 

 oblique. Hind wings vitreous, nearly hyaline, with a very broad 

 brown border. Length of the body 20 — 22 lines ; of the wings 

 52—56 lines. 



a—c. Natal. From M. Gueinzius' collection. 



Pachypasa basalis. 



Fcem. Cervina ; caput et thorax rufescente-fusca ; antenna sub- 

 pectinata? ; abdomen subochraceum, alas posticus longissime 

 superans; pedes breves, graciles ; alee antica angustce, spatio 



