86 
TRICHESTRA. By Dr. M. Draudt. 
posterior transverse line consists of oclireous yellow lunae bordered with black, the undulate line of ochreous- 
yellow dots; fringes yellow and white; on the veins spotted black. Hindwing of a lustrous whitish colour with grey 
veins. Expanse of wings: 30 mm. 
arbuticolens. T. arbuticolens Btlr. (13 h). Red-brown, strewn with a darker shade, in the cell dusted with purple 
brown, the veins striped dark and dusted white; transverse lines double, the posterior line with black and white 
dots on the veins; the maculae are small, the ring-macula is round, in an ochreous ring, the reniform macula is 
narrow, bordered with white; the light undulate line is irregularly dentate with dark small sagittae before it. 
Hindwing dark brown with lighter fringes. From Chile. 
rcnipuncta. T. renipuncta Hmps. Forewing greyish-brown, dusted somewhat reddish and strewn darker; transverse 
lines double, the anterior line filled up with grey, the posterior line distally with dark dots; ring-macula obliquely 
elliptical, encircled with black, the reniform macula proximally with a white line, distally with a white spot, 
and a white dot above it and two below it; median line indistinct, dark, undulate; the grey undulate line is 
on each side accompanied by small black spots; marginal area darkened with white dots on the veins. Hindwing 
whitish, with a brownish hue, in the marginal area darker. Expanse of wings: 22 to 28 mm. South Eastern 
Peru. 
anthophila. T. anthophila Btlr. has brownish-grey, darker dusted forewings, the anterior transverse line double, 
the posterior line very indistinct, single, finely dentate; the small macidae are encircled with dark, above and 
below open; the undulate line consists of a row of small white and black sagittae. Hindwing dark brown with 
ochreous-whitish fringes. Chile. 
melanochra. T. melariochra Hmps. The black forewing is ochreous-whitish in the basal and postmedian area, 
dusted with reddish; transverse lines double, filled up with a yellowish white, and there are also traces of a 
median line; coniform macula jet-black, the upper maculae yellowish-white, encircled with black, the ring- 
macula red-brown, the reniform macula pupilled blackish; undulate line yellowish white, fringes spotted black 
and white. Hindwing brownish with black, distally whitish fringes. Expanse of wings: 30 mm. South Eastern 
Peru. 
goniophora. T. goniophora Hmps. deviates from the other species by the forewing being somewhat angular in the 
centre of the margin and showing above it a slight concave excision. Forewing yellowish-white, in some places 
dusted with light green and brownish-red, and scantily strewn with black; transverse lines double, the anterior 
line black, filled up with white, the posterior line faded brown, at the costal and proximal margins marked 
white; the upper maculae are of a pure white, encircled with black, the reniform macula L-shaped, and from 
it a dark median line runs to the proximal margin; the undulate line is white and forms 2 angles, the lower 
of which extends near to the blackened margin. Hindwing yellowish-white with brownish veins and margin. 
Expanse of wings: 30 mm. South Eastern Peru. 
bicatenata. T„ bicatenata Dyar (14 a) strikingly resembles Polia olivacsa Morr. (16 i). Forewing purple grey, 
in the discal area darker, mixed with moss-green, at the costal margin lighter with small black spots, submedianly 
reddish; the dark transverse lines are finely double, the coniform macula quite black, thick; the ring-macula 
is a light-ringed circle of the ground-colour, the reniform macula is in a broad white ring with a dark pupil; 
undulate line yellowish-white, spotted, distinctly prominent in the light purple grey marginal area and spotted 
moss-green. Hindwing purple grey, in the disc lighter. Expanse of wings: 28 mm. Mexico (City) in October. 
rufcscens. T. rufescens Dogn. Forewing reddish with a brass lustre, postmedianly strewn with a brownish black, 
in the marginal area behind the undulate line brown with single brown transverse lines, the posterior line distally 
forming an obtuse angle; the ring-macula is only marked by some small black scales, the reniform macula by 
a quadrangular white spot; the white undulate line forms two angles directed towards the margin. Hindwing 
blackish with a golden lustre. Expanse of wings: 22 mm. Colombia, from Mt. Socorro, taken by Fassl. 
mixta. T. mixta Schs. has lilac grey forewings with a brown tint; the anterior dark brown transverse line 
filled up with a greyish white, before which at the proximal margin there is a dark brown spot, is below the cell 
twice distally angled; the ring-macula is a pink dot bordered with white; in the cell-end a dark brown shade, 
behind it a white line, then a pink line, behind the cell a dark brown, white-edged spot; the fine posterior trans¬ 
verse line is black, proximally accompanied by a white line, distally by a pink shade, the costal margin behind 
it is pink mixed with lilac and spotted white. Hindwing greyish-brown, towards the base whitish with a dark 
discal spot. Expanse of wings: 23 mm. Costa Rica (Poas). 
albirena. T. albirena Dogn. Forewing blackish violet, intermixed with coarse olive and white scales; transverse 
lines marked by olive scales, rather indistinct, the posterior line dentate; ring-macula marked black, the reniform 
macula of a pure white, crossing the median downwards; the undulate line consists of small black internerval 
spots; fringes with white dots on the ends of the veins. Hindwing dirty white, distally brownish. Expanse of 
Avings: 23 mm. Costa Rica (Irazu). 
plumbea. T. plumbea Dogn. is reddish-ochreous in the basal area and the cell of the forewing, otherwise greenish 
lead-coloured; at the costal margin 3 black dots on each side bordered with white; on the transverse vein an 
