LEPIDOPTERA HETEROCERA. 1519 
14. Cossus Musa. 
Fusca; ale nigro reticulate, maculis marginalibus nigris, antice 
_ plagis duabus pallide fuscis, postice apud marginem interio- 
rem pallidiores. 
ene Muse, Boisd. Herr.-Scheff. Lép. Exot. Sp. Sér. 1, f. 
1659. 
Female. Brown. Wings with numerous irregular black reti- 
culations, which are wanting in some parts and confluent in others; 
a row of black spots along the borders. Fore wings with two very 
large pale brown spots, one in front of the middle of the wing, the 
other subapical. Hind wings paler along the exterior border. 
Rio Grande. ; ; 
Group 5. 
Mas. Corpus vix robustum. Antenne sat late pectinate. 
Abdomen alas posticas dimidio superans. Ale mediocriter late; 
anticee apud costam recte, apice rotundate, margine exteriore sub- 
obliquo. | 
Male. Body hardly stout. Antenne rather deeply pectinated. 
Abdomen extending for half its length beyond the hind wings. 
Wings moderately broad. Fore wings straight in front, rounded at 
the tips, slightly oblique along the exterior border. 
15. Cossts £THIOPS. 
Mas. Obscure fuscus; ale punctis nigricantibus consperse, an- 
tice fasctis quatuor obliquis angustis nigricantibus, la 2aque 
abbreviatis, 3a furcata; postice apud costum pallidiores. 
Cossus? ethiops, Boisd. Herr.-Scheff. Lép. Exot. Sp. Sér. 1, f. 
172. ' i 
Male. Dark brown. Wings sprinkled with blackish points, 
which are most thick towards the base of the fore wings. Fore 
wings with four oblique slender blackish bands; first and second 
abbreviated in front; third forked in front at one-fourth of its 
length ; fourth simple, entire, subapical. Hind wings paler along 
the costa. | : : 
South America. 
