LEPIDOPTERA HETEROCERA. « 1517 
11. Cossus MUCOREUS. 
Fem. fuscus; ale antice ferruginee, apud dimidium apicale 
nigro strigate, costa nigro transverse signata, vitia apud mar- 
ginem interiorem nigra; postice lutee marginibus nigri- 
cantibus. 
Cossus mucoreus, Herr.-Scheff. Lép. Exot. Sp. Sér. 1, pl. 9, f. 39, 
(1853). 
Fem. Brown. Fore wings ferruginous, with transverse black 
marks along the costa; apical half with black streaks, which dimi- 
nish in size towards the tips; a longer and broader black stripe 
along the interior border. Hind wings luteous, blackish along the 
inner and outer borders. 
Brazil. 
Group 2. 
Mas. Corpus mediocriter robustum. Antenne pectinate, 
thorace breviores. Abdomen alas posticas plus dimidio superans. 
Ale mediocriter late ; antic apud costam recte, apice rotundate, 
margine exteriore sat obliquo; postice apud marginem exteriorem 
vix excavate. 
Male. Body moderately stout. Antenne pectinated, shorter 
than the thorax. Abdomen extending for a little more than half its 
length beyond the hind wings. Wings moderately broad. Fore 
wings straight in front, rounded at the tips, rather oblique along the 
exterior border. Hind wings with the exterior border very indis- 
tinctly excavated. 
8 
12. Cossus RUBIGINOSUS. 
Mas. Fuscus; thorax subflavo-fuscus; ale antice ferrugineo- 
rufe, strigis transversis plurimis nigris ; Ce pallidiores, 
strigis fuscis, basi flavescentes. 
Cossus rubiginosus, Herr. ed Lép. Exot. Sp. Sér. 1, pl. 39, f. 
42, (1853). 
Male. Brown. Thora with a slight yellowish tinge. Fore 
wings ferruginous- red, with very numerous black transverse streaks. 
Hind wings paler, with brown streaks s, yellowish at the base. 
