58 
(ENOCHROMIID^. 
Decetia arenosa. (Plate CXIII. fig. 9.) 
Decetia arenosa, Butler, Ann. ^ Mng. Nat. Hist. ser. 5, vol. vi. p. 121. n. 19 (1880), 
Primaries above sandy yellow^ densely irrorated with minute grey striations^ which, 
however, are less numerous upon the centre of the disk, where there seems to be a yellowish 
belt tapering towards the costa and enclosing two or three rounded grey spots ; two pale- 
edged gravel-reddish parallel oblique lines — the first subbasal, the second central and 
extending at its upper extremity almost to the apex : secondaries greyish brown, with darker 
striations and four conical dark grey discal spots in a straight line ; costal area dull white ; 
a dull gravel-red line across the basal third : thorax sandy greyish ; abdomen of the same 
colour in the centre, but with orange sides and anus. Wings below grey, with bright 
ochreous borders ; body orange. Expanse of wings 48 millim. 
North-east Himalayas {Lidderdale). 
Decetia rufifrontata. (Plate CXIII. fig. 10.) 
Auzea rufifrontata, WaVcer, Cat. Lep. Ilet. xxv. p. 1487 (1862). 
Greyish brown, the wings with numerous slightly darker transverse striations : primaries 
crossed obliquely by two nearly parallel dai'k lake-brown stripes, the inner one slender, 
subbasal, edged internally with plumbaginous scales, the outer one a little broader beyond the 
middle, both acutely inangled from subcostal vein to costal margin ; a series of more or less 
fusiform white spots across the disk just beyond the outer stripe, and an arched subapical 
series of smaller white spots ; two brown spots placed obliquely below the middle of the 
disk ; a minute blackish dot at the end of the cell ; costal border towards apex bright lake- 
brown, enclosing a line of plumbaginous scales : secondaries with the costal half pure white ; 
abdominal half crossed Ijcfore the middle by a straight lake-brown stripe, beyond which are 
five short white dashes on and between the veins ; several blackish markings between these 
white dashes and the outer margin, the latter black, intersected by a slender white line; 
face and palpi bright carmine-red; top of head and thorax pale greyish brown; abdomen 
blackish, with testaceous anal tuft. Wings below white : primaries with the basal area 
brownish ; costal margin and apex reddish ochreous ; two parallel grey oblique lines beyond 
the middle : secondaries testaceous at the base ; an abbreviated grey line from the abdominal 
margin to the median vein ; external border brownish, fringe blackish : pectus whitish, the 
anterior legs carmine in front ; venter blackish, ochraceous at the sides. Expanse of wings 
52 millim. 
Darjiling {Hearsay, Lidderdale, ^c). 
