PYRALIDuE. 271 



straight line, beyond which is a distorted discal line, and a broad apical and an anal 



brown patch. Cilia with a brown inner line. Body with brown bands ; anal tuft 



brown ; palpi above and band on fore tibifB brown. 



Expanse lyV inch. 



Genus CHNAURA. 



Chnanra, Lederer, Pyral. Wien. Eiit. Mouat. vii. p. 435 (1863). 

 Syngamia (part), Walker, Catal. Lep. Ilet. B. M. xvii. p. 333 (1859). 



Forewing long, narrow, triangidar ; apex pointed, exterior margin very oblique, 

 somewhat angular in the middle ; cell half the length ; first subcostal emitted at one- 

 fifth before end of the cell, second, third, and fifth from the end, third bifid ; disco- 

 cellular concave, radials from near upper end and extreme lower end ; two upper 

 medians from end of the cell, lower at one-fifth ; submedian slightly undulated : 

 hindwing short, exterior margin very obUque, somewhat angular in the middle ; cell 

 one-third the length; two subcostals from end, upper extending partly along the 

 costal ; discocellular concave, radial from lower end ; two upper medians from end of 

 the cell, lower at one-fourth. Body moderately slender ; abdomen keeled above, apex 

 pointed ; labial palpi porrect, of uniform lateral width throughout its length ; very 

 laxly squamous beneath, extending half beyond the eyes, truncate at the apex ; 

 maxillary palpi slender, porrect; antennjB slender, submoniliform, setose; legs 

 smooth ; spurs long, slender. 



Type, C. Octavialis. 



CHNATJUA OCTAVIALIS. 



Syngamia Octavialis, Walker, Catal. Lep. Het. B. M. xvii. p. 334 (1859), (J. 



Chnaura Octavialis, Lederer, Pyral. Wien. Ent. Monat. vii. p. 435, pi. 17, fig. 4 (1863). 



Wings yellow ; the base bright red : forewing with a purple-brown basal costal 

 streak, a transverse antemedial line, a postmedial band which is dilated hindward, 

 extends up the outer margin, and encloses a large yellow upper discal spot : hind- 

 wing with an excavated purple-brown marginal band, and a blackish spot at end of 

 the cell. Body yellow ; collar on front of thorax, a band at base of abdomen, and 

 the apical segments iridescent purple-brown ; the basal band bordered below with 

 red ; palpi tipt with purple-brown ; palpi beneath and legs yellow. 



Expanse | inch. 



Genus BOGCHORIS. 



Male. Forewing narrow, somewhat triangular ; cell more than half the length ; 

 first subcostal emitted at one-sixth before end of the cell, second free, third bifid, 

 fifth from end of the cell ; discocellular shghtly oblique and concave, radials from 

 near the ends ; two upper medians from end of cell, lower at one-sixth : hindwing 

 short, exterior margin oblique, undulated; cell two-fifths the length; subcostals 

 from end of the cell ; discocellular very slender ; radial from lower end ; two upper 



