LEPIDOPTERA HETEROCERA. 
83 
Body moderately stout. Proboscis short. Palpi approximate, 
porrect, extending a little beyond the head ; third joint conical, 
very minute. Antennae long, pubescent in the male. Abdomen 
keeled in the male, and terminated by a quadrate tuft of hairs, 
generally extending as far as the hind wings. Hind tibiae hardly 
incrassated, much incrassated in some species. Wings stout, entire, 
yellow or ochraceous, generally speckled, with a discal point, and 
with an oblique line. Fore wings not falcate. Hind wings short, 
rounded ; interior angle prominent. 
Guenee gives as a character of this genus that the tibiae are not 
or but slightly swollen nor furrowed, but in some species they are 
very thick. 
South America. 
A. Alae non trilineatae. 
A . Alae anticae linea interiore obliqua aut nulla. 
a. Alae posticae margine exteriore non flexo. 
a. Alae linea argenteo non marginata. 
i. Alae violaceo tinctae. 
* Alae linea nigricante. - - transitata, Guen. 
** Alae linea non nigricante. - - optivata, Guen. 
ii. Alae violaceo non tinctae. 
* Caput rufescens. 
f Alae anticae subtus albo non maculatae. 
erythrocephalata, Guen. 
tf Alae subtus albo maculatae. - Briasaria, Walk. 
** Caput non rufescens. 
f Alae nigro strigatae. 
J Alae non bilineatae. - - rutilaria, Hubn. 
Alae bilineatae. - helvaria, HerrsSeh. 
ff Alae ferrugineo strigatae. 
+ Alae posticae non maculatae. 
§ Alae fimbria apice nigra. - resignata, Guen. 
§§ Alae fimbria apice non nigra. 
-b Alae posticae macula nulla apicali. 
Alae anticae margine exteriore rotundato. 
Pboebeata, Guen. 
Alae anticae margine exteriore recto. 
Carthamata, Guen. 
— j — b Alae posticae macula apicali. 
Alae luteae. - cerocampata, Guen. 
Alae fulvae. - - sterrhata, Guen. 
