NYCTEMERIDiE. 189 



LAURON RUFILINEA. 



{Plate XC. Fig. i.) 



Laurona riijilinea^ Walker, List Lepid. Ins. Brit. Mus. xxxi. p. 

 148(1864). 



The species which we have figured comes firom Ega, in the 

 Upper Amazon district. 



The expanse of the wings is about two inches. 



"Female. — Black. Head whitish about the eyes. Palpi 

 smooth, slender, porrect, extending somewhat beyond the 

 head; third joint lanceolate, about half the length of the 

 second. Antennae serrated. Pectus whitish, ochraceous on 

 each side. Abdomen extending rather beyond the hind- 

 wings ; upper side whitish, with a brown stripe. Legs whitish 

 beneath. Fore-wings with a sub-marginal ochreous line, which 

 extends along the costa, and along the interior border, and is 

 sometimes nearly obsolete along the costa, and sometimes re- 

 presented by some speckles along the exterior border ; a broad 

 oblique white streak in the disk beyond the interior angle." 

 ( Walker) 



FAMILY XX. NYCTEMERIDA^.. 



Eggs. — Not described. 



Larva. — Rather long and cylindrical, with tufts of fine hair. 



Pupa. — Enclosed in a slight cocoon. 



Imago. — With pectinated antennae in the males, and rather 

 short and broad fore-wings, with one sub-median nervure, and 

 the discoidal cell not divided. 



This is another Tropical Family, usually with pectinated 

 antennae in the males, moderately slender bodies, and large 

 wings. They expand two or three inches, and the fore-wings are 

 not much longer than the hind-wings. On the fore-wings, the-re is 



