GYEXONA. 217 



6474. Gyrtona divitalis. (Plate CLXXX. fig. 1.) 



Gyrtona divitalis, Wlk. xxvii. 01 (18G3). 



Gyrtona. conglobaiis, Wlk. xxvii. Sd'l (1863). 



ISuvoca sarawakmia, Wlk. xxx. yUG (1864). 



Gyrtona yucca, Swinli. A. M. ]N. H. (6) xii. p. 264 (1893). 



Head and thorax red-brown mixed with some grey ; pectus 

 whitish ; tarsi ringed with white ; abdomen grey-brown, the ventral 

 Biuiace w^hitish. Fore wing red-brown with a purplish grey gloss 

 especially before and beyond the postmedial lijie on inner half ; 

 subbasal line represented by two slight dark fctria3 from costa ; 

 antemedial line double, curved and slightly waved ; claviform and 

 orbicular represented by ridges of raised blackish scales ; reniform 

 slightly defined by black and with point of raised black scales in 

 ceutre ; medial line blackish, curved and slightly sinuous; postmedial 

 line treble, minutely waved, incurved below costa and excurved at 

 middle ; subterminal line grey defined on outer side by dark brown, 

 minutely waved, excurved below vein 7 and at middle ; a terminal 

 series of small blackish spots. Hind wing fuscous brown, the 

 interspaces of basal half somewhat hyaline; cilia with fine whitish 

 line at base and whitish tips. 



Hah. Andamans, 1 $ ; Selangok, Semangho {Robinson), 1 S ; 

 SiNGAPOUE {Ridley), 10 c?,15 § type yucca; lioENEO, Sarawak 

 ( Wallace), 3 J , b $ , type and types conglobaiis and saraivakana. 

 Exi^. 16-20 millim. 



6475. Gyrtona plumbisparsa. (Plate CLXXX. fig. 2.) 



Gyrtona plumbisparsa, Hmpsn. A. M. N. H. (7) xvi. p. 538 (1905). 



$ . Head, thorax, and abdomen dark red-brown ; tarsi with pale 

 rings ; abdomen with the slight dorsal crests black. Fore wing 

 dark red-brown suffused with leaden silvery scales especially on 

 inner and terminal areas ; traces of two curved subbasal lines from 

 costa to vein 1 ; three indistinct waved antemedial lines with striae 

 of raised black scales beyond them in and below cell; an indistinct 

 waved brown medial line ; two slight obliquely placed black 

 discoidal striee ; postmedial line double, sinuous, bent outwards 

 below costa, excurved to vein 4, then retracted to below end of 

 cell and with traces of a waved brown line beyond it; subterminal 

 line dark defined by leaden silvery suffusion on inner side and with 

 dark patch before it on costal area, excurved at vein 7 and middle ; 

 a series of small dark spots just before termen. Hind wing dark 

 red-brown, the cilia silvery at tips ; the underside paler. 

 Hah. SiKHur, 1 $ type. Exp. 24 millim. 



6476. Gyrtona polionota. (Plate CLXXX. fig. 3.) 



Gyrtona ])olionota, Hmpsn. A. M. N. H. (7) xvi. p. 539 (1905). 



5 . Head and thorax pale red-brown suffused with grey ; 

 abdomen grey, the ventral surface white. Fore wuug red-browu 



