518 NOCTUIDiE. 



A. Abdomen orange. 



a. Abdomen without black dorsal fascia. 



a'. Fore wing with oblique silvery patch at apex. 



a^. Fore wing with double subterminal series of silvery 



spots below apex ditissima.'^r^ 



52. Fore wing with angled mark with two suiall marks 



beyond its lower part below apex amxnita. ^ 



W-. Fore wing without apical silvery patch bellinita. 



b. Abdomen with black dorsal fascia. 



c(}. Fore wing with oblique silvery patch at apex meres. 



51. Fore wing without apical silvery patch vau-cmrea. 



B. Abdomen dorsaily suffused with brown. 



a. Thorax mostly black ; fore wing with quadrate apical 



silvery patch 'pliraortcs. 



b. Thorax red-brown. 



«'. Fore wing with elliptical silvery pat«h at apex scione. 



b^. Fore wing with bifurcate silvery patch at apex with 



double series of spots below it aiirifundens. 



ci. Fore wing with non-bifurcate mark from apex with 



single oblique series of spots below it eiibotes. 



d^. Fore wing without silvery markings at apex. 



d^. Hind wing pale yellow with broad brown terminal „ 



band dcoumana. ^'^ 



b'^. Hind wing uniformly suffused with brown j^jawaOTCwsis. 



3381. Argyrost^etis-ditissima. (Plate CXX. fig. 17.) 



, • . ■ Thijria ditissima, Wlk. xii. 935 (1857). 



^}'- ' Thyriafidgida, Feld. Eeis. Nov. pi. 110. f. 37 (1874). 



Thyria crcedta, Schaus, Trans. Am. Ent. Soc. xxx. p. 164 (190i). 



Head and thorax bright rufous mixed with yellow and some whitish ; 

 palpi with the extremities of the joints yellow ; frons with lateral 

 dark spots ; tegulae with blackish marks near base, a medial line 

 and whitish tips ; pectus and legs white mixed with rufous ; 

 abdomen orange, the crests atid anal tuft red-brown, the ventral 

 surface white irrorated with red-brown. Fore wing yellowish 

 suffused with red-brown and some blackish, the veins streaked Avith 

 yellowish ; subbasal line double, blackish filled in with yellowish, 

 angled outwards on subcostal nervure, then oblique to submedian 

 fold; antemedial line double, black filled in with yellowish, slightly 

 angled outwards below costa, oblique to vein 1 and bent inwards to 

 inner margin, an oblique yellowish striga before it from sub- 

 median fold to below vein 1 ; claviform absent ; orbicular and 

 reniform silvery white defined by black, the former with lound spot 

 above and two oblique strife below forming a rather V-shaped 

 mark, the latter with oblique spot with rather triangular spot below 

 it on inner side, point at upjier extremity, an oblique striga and 

 point at middle, oblique spot at lower extremity and slight streak 

 below it; postmedial line double, black filled in with yellowish, the 

 inner line formed by black lunules slightly defined by yellowish on 

 inner side, acutely angled inwards below costa, then strongly bent 

 outwards, then minutely waved, slightly incurved at discal fold, 

 oblique below vein 4 and bent outwards to inner margin, a yellowish 

 slightly waved lino beyond it, excurved to vein 4, then oblique, and 



