LEPIDOPTERA HETEROCERA. 195 



Genus BYTHARIA. 



Fcem. Corpus gracile. Proboscis brevis. Palpi porrecti, 

 compressi, longissimi, gracilliini ; articulus 2us subfimbriatus ; 3tis 

 linearis, 2o brevior. Antennae breves, vix pubescentes. Pedes 

 laeves, graciles ; tibiae posticae calcaribus duobus parvis apicalibus. 

 Alae amplae ; anticae subacutae, margine exteriore convexo obliquo. 



FemoXe. Body slender. Proboscis short. Palpi porrect, com- 

 pressed, very long and slender, nearly twice longer than the breadth 

 of the head; second joint with a very short fringe above; third 

 smooth, linear, rather shorter and more slender than the second. 

 Antennae short, hardly pubescent. Legs smooth, slender, not long ; 

 hind tibiae with two short apical spurs ; no middle spurs. Wings 

 very ample. Fore wings slightly acute ; exterior border convex, 

 moderately oblique. 



Bytharia marginata. 



Foem. Pallide lutea; vertex ater ; palpi nigri ; pedes antici nigro 

 vittati ; alee margine lato inciso chalybceo-nigro, apud anti- 

 car um apices dilatato. 



Female. Bright pale luteous. Vertex of the head deep black. 

 Palpi and antennae black. Fore legs striped with black. Wings 

 with a broad black festooned border, which has a slight chalybeeus 

 tinge and is dilated about the tips of the fore wings. Length of the 

 body 8 ? lines ; of the wings 24 lines. 



Ceram. In Mr. Saunders' collection. 



Genus BUKTIJNTA. 



Mas. Corpus gracile. Proboscis mediocris. Palpi validi, 

 porrecti, squamosi, caput paullo superantes ; articulus 3us brevissi- 

 mus. Antennae late pectinatae. Abdomen subcompressum, alas 

 posticas non superans ; fasciculus apicalis minimus. Pedes laeves, 

 graciles, longiusculi; tibiae posticae subincrassatae, calcaribus brevi- 

 usculis. Alae anticae elongatae, latiusculae, apice rotundatae, margine 

 exteriore convexo sat obliquo. 



Male. Body slender. Proboscis moderately lorfg. Palpi 

 stout, porrect, squamous, extendiug a little beyond the head ; third 

 joint extremely short. Antennae broadly pectinated. Abdomen 

 slightly compressed, not extending beyond the hind wings. Legs 



s2 



