LEPIDOPTERA HETEROCERA. 1351 



6. DlRPHIA TRIANGULUM. 



as et foem. Nigro-fusca ; antenna testacece ; abdomen fasciis 

 pilisque rufis ; pedes ex parte riifo hirti ; al& subtus cervince 

 fasciis duabus fuscescentibus, anticce subpurpurece fascia dif- 

 fusa viridi-fusca maculaque maxima viridi subtriyona eos- 

 tali ; posticce purpurea -fuscce, basi rufo~ferruyinea>, cervino 

 bifasciatce. 



Male. Blackish brown. Antennae pale testaceous. Abdomen 

 with red bands and long red hairs. Legs partly clothed with red- 

 dish hairs. Wings beneath fawn-colour, pale brownish at the base 

 and in front, and with two indistinct pale brownish bands. Fore 

 wings pale dull purplish, with a very diffuse and indistinct greenish 

 brown baud, and with a very large dull green irregularly triangular 

 costal spot. Hind wings purplish brown, ferruginous-red towards 

 the base, and with two dull fawn-coloured bands, the first near the 

 second, which is marginal. Length of the body 13 lines ; of the 

 wings 38 lines. 



Female. — Blackish brown. Head and thorax black, with some 

 reddish hairs. Antennae dark testaceous, brown towards the tips, 

 not longer than the thorax. Abdomen above black, with some red 

 hairs, which towards the base and towards the tip are longer and 

 dispersed irregularly, thinly covered also with very long white hairs. 

 Fore wings blackish brown, minutely sprinkled with white hairs, 

 black at the base, with a small white discal spot, whose disk is 

 luteous, with a few black hairs ; this spot is betweeu two dark 

 linear bands, which are united near the interior border, the inner 

 one angular, the outer one straight; there is also a diffuse undula- 

 ting darker band near the exterior border. Hind wings brown, 

 sprinkled with white for one-fourth of the length from the exterior 

 border, which part contains two curved darker bands, and there is a 

 still darker mark in the disk. Length of the body 16 lines ; of the 

 wings 48 lines. 

 a, b. Bio Janeiro. From Mr. Stevens' collection. 



Group 2. 



Corpus robustum. Palpi breves, porrecti, caput non superantes. 

 Antennae thoracis longitudine. Ala? latae ; anticae vix acuminata?, 

 apud costam subrectae, margine exteriore recto mediocriter obliquo. 

 3/ a5 . — Antennae late pectinatae ; rami validi ciliati, exteriores in- 

 Eequaliter duplicati. Alae posticae abdomen paullo superantes. 

 Fozm,— Antennae simplices. Alae posticae abdomen vix superantes. 



