248 
DIACRISIA. By Dr. W. v. Rothschild. 
moorei. 
strigatula. 
apuncta. 
landaca. 
surnatrana. 
javanica. 
continenta¬ 
ls. 
melaena. 
sty,v. 
garida. 
phaea. 
fitscipennis. 
of dots; a submarginal row of dots of almost connected vein-spots. Hindwing brownish ochreous-yellow, a 
large discoidal spot, the veins behind the cell, a submarginal band interrupted in the middle and some marginal 
spots black. Length of forewing: 20 mm. South India. 
D. moorei Snell. Head, antennae and thorax whitish maize-coloured, forehead black, on the thorax 
a black median stripe; abdomen carmine with dorsal and lateral rows of black dots. Forewing brownish maize- 
coloured, the veins lighter, a spot at the base of the costa, a similar one before the middle of the costa and 
one below it, a costal spot behind the middle, 2 oblique dots on both sides of vein 1, a bent band of almost 
confluent spots from vein 5 to the proximal margin, an oblique row of dots from the apex to below vein 6 and 
on each side of the veins 1, 3, 4 and 5 black. Hindwing maize-coloured with a carmine hue on it, and 
with black submarginal dots on the veins 1, 2 and 5. Length of forewing: 20 mm. Celebes. 
D. strigatula Wkr. (= rubescens WJcr., cervina Wallgr.) (22 b). antennae brown with very long 
pinnae; head and thorax brownish maize-coloured, forehead and dorsal band of thorax brown; abdomen, except 
the base and anal segment carmine with dorsal and lateral rows of black dots. Forewing brownish maize-coloured, 
a basal dot, a curved antemedian transverse row of dots, discoidal and postdiscoidal spots, 2 curved postmedian 
transverse rows, a submarginal row of dots and one on the fringes black. Hinclwing orange-scarlet. The discoidal 
spot and an irregular, submarginal row of spots black. $: on the forewing the spots and dots die away or they 
are entirely absent. — In ab. apuncta ab. nov. the hindwing and abdomen are without black spots. Length 
of forewing: $ 19, $ 26 mm. -— Larva black with scarlet tubercles set with tufts of hairs being above brown, 
beneath red; on Dioscorea oppositifolia and other plants. Burma, Malayan Peninsula and Large Sunda Islands. 
D. landaca Moore (19 d, not landoca). Antennae whitish with a black spot behind the middle; head 
and thorax dark greyish-brown or yellowish-brown, forehead black. Abdomen dark brown, sides and anal 
segment carmine. Forewing yellow or yellowish-grey, thickly strewn and suffused with dark brown, a black 
costal spot before the middle, 3 extinct, dark, curved transverse lines before, on and behind the middle. Hind¬ 
wing yellow or yellowish-grey, a discoidal spot, an indistinctly bent postmedian transverse line and a more 
distinct submarginal macular band dark. Length of forewing: 19 mm. Java. 
D. surnatrana Swinh. (23 c). Rather uniformly dull ochreous-brown. Forewing with faint traces of 
3 transverse bands before and behind the middle. Hindwing with 2 more distinct bands of confluent spots. 
Length of forewing: 16 mm. Sumatra. — javanica Rothsch. (23c). Without any spotting on theliinclwings. East 
Java. — continentalis Rothsch. (23 c) differs from surnatrana surnatrana by its very much darker colour. Perak. 
D. melaena Bmps. (23 d). : head and thorax smoky black, forehead creamy-yellow: antennae yellowish- 
brown; abdomen yellow, dotted black. Forewing smoky black, a longitudinal band above vein 1 and a fine 
distal-marginal line white. Hindwing dark smoky-grey, an irregularly interrupted median band and a distal- 
marginal line dirty-white. Fringes of both wings smoky grey. The $ has a narrow, curved, median, white 
transverse band on the forewing and much more white on the hindwing. Length of forewing: $ 24, 
$ 27 mm. Java. 
D. styx B.-Bafc. (19 li, 24 i). Head and thorax bright orange-yellow; antennae black; abdomen black, 
anal brush yellow. Forewing black, veins, a spot above vein 1 and a large crescent between the veins 5 and 8 
creamy-white. Hindwing black, at the apex of vein 2 a white dot. Length of forewing: 22 mm. Arfak. 
D. garida Swinh. Antennae and anterior part of the head brown; head white; thorax reddish-brown, 
on the sides whitish; abdomen blaok with orange-yellow transverse bands, the anal segment orange-yellow 
with a white apex. Forewing red-brown with faint white markings at the base, a white spot on vein 7 and 
another one at the costa near the apex. Hindwing white, the proximal basal region suffused with brown and 
with some greyish-brown, large and small spots. Length of forewing: 24 mm. Australia. 
D. phaea Bmps. (19 e). <$: antennae and lower portion of the head black; head and thorax greyish- 
brown; abdomen yellow with dorsal and lateral rows of black dots. Forewing greyish-brown, black dots before 
the middle on the costa and on both sides of vein 1, as well as an upper discoidal dot; a postmedian, strongly 
bent, indistinct, dark transverse line, as well as black dots on the costa and vein 1, an oblique, interrupted, 
dark, submarginal line of spots. Hindwing light greyish-brown, the proximal region huecl yellowish, faint traces 
of a black discoidal spot and black dots at vein 1 and 2. Length of forewing: 16 mm. Island of Bali. 
D. fuscipennis Bmps. (19 e). B'- antennae black, teeth of the comb very short; head and thorax dark red- 
brown . Sides of forehead black; abdomen dark red-brown with dorsal and lateral rows of blackish dots. Forewing 
