LEPIDOPTERA HETERQCERA. 194,7 



Male. Reddish fawn-colour, cinereous fawn-colour beneath. 

 Antennae broadly pectinated to rather beyond the middle, setulose 

 from thence to the tips. Abdomen extending" somewhat beyond the 

 hind wings. Legs short. Wings broad, rather short. Fore wings 

 acute, minutely blackish-speckled ; a nearly straight blackish line 

 extending from rather before the middle of the interior border to the 

 tip of the wing ; a blackish spot on the end of the areoiet ; exterior 

 border convex, moderately oblique. Length of the body 9 lines ; 

 of the wings 20 lines. 



Bogota. In Mr. Birchall's collection. 



Genus OPSIRHINA, C. L. H. vl 1418. 

 Opsirhina nasuta, C. L. H. vL 1420. 

 Gastropacha nasutula, Wallengren. 



Genus TOLYPE, C. L. H. vi. 1466. 



TOLYPE LARICIS. 



Planosa laricis, Fitch, Pep. Ins. New York, 262, pi. 2, f. 5, 6 — Gas- 

 tropacha laricis, Morris, Lep. N. Amer. 234 — Tolype laricis, 

 Packard, Proc. Ent. Soc. Phil. iv. 387. 



Massachusetts. 



Genus MEGASOMA, C. L H. vi. 1446. 



Megasoma dorsalis. 



Mas. Ferrugineo-rufa ; caput album ; antenna ochracece ; thorax 

 albus, plagis duabus lateralibus ferrugineo-rufis ; abdomen 

 alas posticas dimidio superarts, segmentis albido fasciatis ; ala 

 anticce vix acuta, albido subconspersce, macula costali diffusa 

 antemedia lineague exteriore obligua vix undulata albidis ; 

 posticce linea postmedia albida obliqua diffusa vix arcuata. 



Male. Ferruginous-red. Head and thorax, except a large 

 spot on each side of the latter, whitish. Antennae ochraceous. Ab- 

 domen extending for half its length beyond the hind wings ; a 

 whitish band on the hind border of each segment. Wings elongate. 

 Fore wings hardly acute, minutely whitish-speckled ; a whitish 

 oblique hardly undulating line extending from four-fifths of the 

 length of the costa to somewhat beyond the middle of the interior 



2n3 



