LEPIDOPTERA HETEROCERA. 
1519 
14. Cossus Mus,e. 
Fusca ; alee niyro reticulata , maculis marginalibus nigris , anticee 
plagis duabus pallide fuscis, poslicce apud marginem interio- 
rem pallidiores. 
Cryptobia Musas, Boisd. H err. -S chce ff. Lep . Exot. Sp. Ser. 1, f. 
1650. 
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 suhapical. Hind wings paler along the exterior border. 
Rio Grande. 
Group 5. 
Mas. Corpus vix rohustum. Antennae sat late pectinatae. 
Abdomen alas posticas dimidio superans. Alae mediocriter latae; 
anticae apud costam rectae, apice rotundatae, margine exteriore sub- 
obliquo. 
Male. Body hardly stout. Antennae 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. COSSUS iETHIOPS. 
Mas. Obscure fuscus ; alee punctis nigricantibus conspersee, an - 
ticaf asciis quatuor obliquis angustis nigricantibus , la 2 aque 
abbreviate , 3 a furcaia ; posticee apud costam pallidiores. 
Cossus? aethiops, Boisd. Herr.- S chaff. Lep. Exot. Sp. Ser. 1 , f. 
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. 
