408 
PERNA. By Dr. K. Grunberg. 
nigropunc- C. nigropuncta Wil. (32 e). <$: forewing pale yellowish-brown, costal margin broad darker reddish- 
to.brown, also the basal and marginal parts clouded darker. Discal spot black, before and above it a dark spot; 
the dark oblique band, extending from the costal margin close before the apex to the middle of the proximal 
margin, composed of a distal row of brown internerval spots and a proximal row of black moon-spots; sub¬ 
marginal spots likewise in a double row. Hindwing brown, slightly coppery, with a lighter margin. Under 
surface light brown, forewing with a darker costal part and a dark postmedian oblique band, hindwing with 
a dark postmedian arcuate band. Formosa. 
fossa. C. fossa Swh. (32 e). Uni-coloured dark red-brown, the $ somewhat lighter. Forewing with a small 
white discal spot, faint traces of a subbasal angularly bent transverse line, and a dark brown oblique band 
proceeding from the apex and reaching the proximal margin a little before the middle; a submarginal, brown- 
dotted dentate line is very indistinct. Hindwing with an indistinct grey discal band. Both wings beneath with 
a broad, though indistinct dark brown transverse band. Jainta Hills. 
lidderdalii. C. lidderdalii Drc. (32 d). Dark red-brown, the $ somewhat darker. Forewing strewn with grey 
scales, and very fine brown undulate lines extending from the costal margin to the proximal margin and a grey 
discal spot. Hindwing blackish-brown with a reddish-brown marginal part. Darjeeling. 
pryeri. C. pryeri Drc. 35 to 40 mm. Head and thorax dark red-brown, abdomen lighter brown. Forewing 
dark red-brown with a narrow oblique band from the apex to the proximal margin near the base. Hindwing 
somewhat lighter, uni-coloured. Hongkong. 
hampsoni. C. hampsoni Leech. 40 mm. Forewing reddish-brown. Discal spot and the smaller spot above it 
light golden yellow. Transverse bands similar as in C. laeta Wkr., but less distinct. Hindwing dark brown 
with a reddish-brown marginal part. Under surface reddish-brown, the discal spot in the forewing faintly 
traceable. West China, Pu-tsu-fong. 
brachycera. C. (?) brachycera Low. Body dark brown, thorax with a darker transverse streak posteriorly bordeied 
with yellowish. Abdomen on the anterior and middle segments with yellowish-white hair. Antennae with a 
white shaft and yellowish pinnae. Forewing of a dark brown ground-colour, everywhere strewn with whitish 
scales and therefore appearing ashy-grey, with a distinct, black, prediscal and post median double line, the 
former in the anterior half very much bent distally, the latter feebly dentate, close below the costal margin 
and in the middle with a slight projection distally. Discal spot semi-diaphanous, partly bordered with black. 
Marginal scales whitish, at the ends of the veins spotted black. Australia: Broken Hill (New South Wales). 
hilaropa. C. (?) hilaropa Low. d' : body and wings dark mahagoni-brown, antennae ferruginous with yellowish 
pinnae. Forewing at the basal half somewhat darker, with a broad, darker discal band being on the proximal 
side curved before the proximal margin, and a bent row of dark brown submarginal spots. Hindwing at the 
base intermixed with brownish-yellow. 30 mm. Queensland: Cape York. 
30. Genus : Perna Wkr. 
Small species with a long-haired abdomen and broad, round wings. Antennae of the $ with long, of 
the $ with very short pinnae. Palpi short, long-haired. In the forewing veins 6, 7 and 8 forked, the footstalk 
of 9 and 10 as long as the free ends; in the hindwing veins 4 and 5 from the posterior cell-end, 7 and 8 before 
the middle of the wing connected by a long transverse vein, basal part of 8 rather much curved, 1 secon¬ 
dary vein. 
exposita. P. exposita Lew. (== pusilla Don., (?) combinata Wkr., brevis Wkr. , liebes Wkr., rufocinerea Wkr., 
? myceria Bscl.) (32 g). Dark red-brown, hinclwing darker. Forewing with a white discal dot; blackish predisal 
and postdiscal lines, the former rather vertical and proximally bordered with white, the latter irregular, dentate 
and distally bordered with white; a very dentate, black submarginal line proximally bordered with whitish; 
discal area between the proximal band dark. The part between the postdiscal and submarginal lines lighter, 
grey. $ lighter and duller than the more greyish-brown. In the whole of Australia. 
brevipennis. P. brevipennis Wkr. {— figurata Luc.). Head brownish-yellow, beneath blackish, palpi with a blackish 
upper surface. Thorax ferruginous with an interrupted white band. Abdomen slightly yellowish. Wings white, 
very short, forewing with 4 irregular, ferruginous dentate bands, the two middle ones broad, connected at the 
costal margin, and with a row of brown marginal spots. Queensland. 
indistincta. P. indistincta Btlr. (described as Cosmotriche). $ allied with P. exposita Lew. (32 g). Head and collar 
blackish, body smoky-brown, wings smoky-grey, semi-transparent, forewing a little darker than hindwing, 
with an indistinct, oblique, dark discal band on the posterior half and an indistinct dark submarginal row of 
spots. Under surface somewhat lighter than above, without markings. The $ is not described. Australia: 
Peak Downs. 
