151 



Nacopa gen. nov. 



Type N. bistrigata B. & McD. 



Proboscis absent ; palpi slightly porrect, hardly reaching beyond the frons 

 and clothed with rough hair ; frons with a rounded roughened prominence, the 

 dorsal edge much protuberant, sloped caudo-ventrally so that the region above 

 the clypeal plate is nearly flat ; a corneous clypeal plate present ; eyes large, 

 round, antennae of male bilamellate, ciliated ; thorax clothed chiefly with rough 

 scales, the pro- and metathorax apparently with spreading crests ; tibiae fringed 

 with very long hair; abdomen apparent!}' without crests. Fore wing narrow, 

 the costa excised beyond the middle, the apex rounded, the termen obliquely 

 curved and not crenulate; vein 3 from near angle of cell; 5 from well above 

 angle ; 6 from below upper angle ; 9 from 10 anastomosing with 8 to form a 

 small areole; 11 from cell. Hind wing with a rather long cell; veins 3, 4 from 

 angle; 5 obsolescent (nearly obsolete) from almost the exact middle of the 

 discocellulars ; 6, 7 from upper angle ; 8 anastomosing with cell near base only. 



The present genus, bistrigata sole species and type, is one of those 

 peculiar Heliothid forms which lack the spines on the tibiae, in build 

 and habitus being close to some of the Schinia species, especially tobia 

 and biundulata. 



In Hampson's tables, it falls to Acopa but is abundantly distinct; 

 being of heavier build ; the abdomen much shorter ; the frontal prom- 

 inence practically the reverse of that of Acopa, being most protuberant 

 near the vertex ; and vein 5 of the primaries is much nearer the center 

 of the discocellulars. 

 Acopa Harv. 



Type A. carina Harv. 



1875, Harv., Bull. Buff. Soc. N. S., H, 279, carina sole species and there* 



fore type. 

 1895, Grt., Abh. Nat. Ver. Bremen, XIV, 105, type designated carina. 

 1909, Hamp., Cat. Lep. Phal. B. M., VHI, 410, type designated carina. 



XGrypotes Dyar. 



Type G. dentifer Dyar. 



1917, Dyar, Ins. Insc. Menst., V, 66, dentifer sole species and therefore 



type. 

 1920, Dyar, Ins. Insc. Menst., VIII, 50, preoc. 



Zatilpa Dyar. 



Type Z. dentifer Dyar. 



1920, Dyar, Ins. Insc. Menst., VIII, 50, nom. nov. for Grypotes Dyar 

 preoc. Grypotes Fiber, 1866, Verb, zool.-bot. Ges. Wien, XVI, 503 



