LEPIDOPTERA HETEROCERA. 521 



half the breadth from the iDterior border. Fore wings with three 

 black subapical dots and two black dots by the interior angle. 

 Hind wings with a large vitreous black-bordered spot in front of the 

 band. Length of the body 8 lines ; of the wings 28 lines. 



a. Brazil. From Mr. Stevens' collection. 



AZIBA RETICULA. 



Siculodes reticula, Gn. PhaL ii. Siculides, pi. 1, f. 5. 



Genus IZA. 



Fcem. Corpus laeve, sat validum. Proboscis nulla. Palpi 

 porrecti, glabri, graciles, capitis latitudine paullo longiores ; arti- 

 culus 3us linearis, 2o valde brevior. Antennae glabrae, robustae. 

 Abdomen alas posticas paullo superans. Pedes longi, squamosi, sat 

 validi ; calcaria longa, valida. Alae auticae longissima3, latiusculae, 

 acutae, costa basi subconvexa; posticae margine exteriore subflexo. 



Female. Body smooth, rather stout. Proboscis obsolete. Palpi 

 porrect, smooth, slender, a little longer than the breadth of the head ; 

 third joint linear, much shorter than the second. Antennae smooth, 

 stout. Abdomen extending a little beyond the hind wings. Legs 

 long, squamous, rather stout; hind tibiae with four long stout spurs. 

 Wings very long, rather broad. Fore wings acute ; costa very 

 slightly rounded towards the base ; exterior border slightly convex, 

 very oblique ; second inferior vein nearer to the third than to the 

 first; fourth remote. Hind wings rounded at the tips; exterior 

 border slightly bent in the middle. 



IZA NUBECULA. 



Fcem. Flavescens ; corpus cervinum; alee fusco conspersce; anticce 

 strigis costalibus lanceolatis, fascia obliqua apud costam 

 retracta plagaque postica guttas duasjlavas includente fuscis ; 

 posticce apicefuscce. 



Siculodes nubecula, Gn. PhaL ii. Siculides, pi. l,f. 3. 



Female. Yellowish, shining. Body fawn-colour. Wings 

 with brown speckles, which are most numerous on the hind wings. 

 Fore wings with a few lanceolate brown costal streaks, and with a 

 brown oblique irregular band, which is angular and retracted towards 

 the costa ; a brown patch along the hind part of the exterior border 



