IfYCTIPAO. 273 



Genus NYCTIPAO. 



Type 



Nyctipao, Hiibn. Verz. p. 271 (1827) crepuscularis. 



Argiva, Hiibn. Verz. p. 272 ( 1827) Ueroqlunldca. 



Fatula, Guen, Noct. iii. p. 176 (1852), nee Held., Moll. 



1837 onacrops. 



Bocana, Wlk. xxxi. 57 (1864), nee Wlk. 1858 lunaris 



Coria, Wlk. xxxv. 1982 (1866) lunaris. 



Eupatula, Rag. Bull. Soc. Enfc. Fr. 1894, p. ccvii macrops. 



Crishna, Kirhy, Allen's Nat. Libr. v. p. 153 (1897) macrops. 



Proboscis fully developed ; palpi upturned, the 2nd joint reaching to just 

 above vertex of head and moderately scaled, the 3rd long ; frons smooth • 

 eyes large, round ; antennae of male minutely ciliated ; thorax clothed with 

 hair only and without crests ; pectus clothed with long woolly hair ; all the 

 tibiae spined and moderately fringed with hair ; abdomen with dorsal ridge 

 of hair at base but without crests. Fore wing with the apex somewhat acute, 

 the termen evenly curved and highly crenulate ; the cell about one-third length 

 of wing ; veins 3 and 5 from near angle ; 6 from upper angle ; 9 from 10 

 anastomosing with 8 to form the areole ; 11 from cell. Hind wing with the 

 cell about one-fifth length of wing ; veins 3, 4, 5 from angle ; 6, 7 from upper 

 angle ; 8 anastomosing with the cell near base only. 



Sect. I. Hind wing of male with vein 3 running to the functional apex, the 

 costal half of wing reduced to a small lobe at base containing a 

 small glandular patch of scales, veins 4 to 8 running to the lobe. 



A. (Argiva,.) Hind wing of male with the costal lobe, the glandular patch, 

 and veins 4 to 8 very much reduced. 

 a. Fore wing of male with the lower angle of cell obliquely truncate, the 

 basal part of veins 2 to 5 dilated, vein 3 widely separated from 4, 5. 



7396. Nyctipao purpurata. 



Argiva ptirpurata , Druce, P. Z. S. 1888, p. 575. 

 Isijctipao aroa, Beth.-Baker, Nov. Zool. xv. p. 200 (1908). 



6 . Head, thorax, and abdomen black-brown. Fore wing black- 

 brown ; traces of a black medial line, arising below costa, excurved 

 beyond the cell, angled inwards at vein 2, then waved. Hind wing 

 uniform black-brown. Underside of both wings fuscous brown, 

 the terminal area somewhat paler with numerous faint dark striae ; 

 fore wing with indistinct curved dark postmedial line ; hind wing 

 with indistinct oblique dark postmedial line. 



$ . Head, thorax, and abdomen fuscous brown mixed with some 

 grey ; fore wing greyish brown, the terminal aroa with numerous 

 indistinct dark striae, an indistinct sinuous dark antemedial line, 

 an inverted comma-shaped discoidal mark with bildbate head, de- 

 fined by black and silvery white scales, the postmedial line black, 

 distinct, with a faint fuscous shade beyond it, an oblique postmedial 

 series of three white spots from below costa to vein 6, slight whitish 

 marks above and below vein 5, a spot below vein 4 and slight 

 whitish marks between it and inner margin, a series of obscure 

 blackish spots before these white markings ; hind wing fuscous 

 brown to postmedial line, the terminal area grey-brown with 



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