Publ. 27. VI. 1932. 
PSILACRON. By Dr. M. Draudt. 
961 
L. gigantea B. & Ban], is larger than the preceding species. Pore wing violettish greyish-white, densely gigantea. 
strewn with blackish with almost quite obsolete transverse lilies, only the undulate line is slightly shaded darker; 
a black basal ray on the inner-marginal vein is somewhat lighter whitish above, the cross-vein marked by a 
fine black crescent; veins scaled blackish as far as into the fringe. Hindwing dingy brown with darker speckled 
fringe. Expanse of wings: 43 mm. Arizona. 
69. Genus: Psilacron Fldr. 
This genus is united with the genus Hardingia Schs now. Two thirds of the antennae pectinated, palpi 
porrect with a short terminal joint; wings longer and narrower than in the preceding genus, the areole proceeds 
only behind the upper cell-end. Vein 6 arises near its base, the lowest subcostal branch is forked with the next. 
Hindwing as in all the preceding genera, but the veins 3 and 4 arise distinctly separated. 
Type of genus: P. hiteovirens Fldr. 
P. luteovirens Fldr. (= cosmipennis Dyar) (149 f). The whitish ground of the forewing is finely strewn hiteovirens. 
with red-brown, dusted with olive green subcostally, along the median vein and the submedian fold, with 
brown double dentate transverse lines and a brown rectangularly broken median shadow; a brown crescent at 
the cell-end; an oblique brown subapical shadow extends inwards and meets the postmedian shadow at vein 4, 
3 small brown internerval spots are below it. Hindwing smoky brown with a light postmedian shadow, dusted 
red-brown at the inner margin, with white fringe. Peru and Bolivia. 
P. congalla Schs. (149 g) is similar to luteovirens, smaller, forewing broader with a rounder distal margin, congalla. 
Pore wing suffused with yellowish olive, the base of the costal margin striped violettish-grey; the brown lines 
similar to those of luteovirens , the median one angular, ending above vein 1 between two small white, darker 
edged spots. Hindwing suffused with brown, darkened at the margin. Bolivia (Incachaca). 
P. chacona sp. n. is very near to congalla, but it has still much narrower forewings with a more pointed chacona. 
apex and a more oblique distal margin than luteovirens. Forewing whitish, in some places with an extremely 
faint pinkish lilac hue, the markings as in the allies, but all light moss-green, also the transverse lines, the median 
one rectangularly broken at the cell-end, the median vein and the submedian fold in the median area broadly 
moss-green; round black subterminal dots in the anterior half of the wing, below the uppermost of which there is 
a very dark greyish-black apical oblique shadow as far as the postmedian line. Hindwing all white, with a faint 
grey marginal band. According to 2 $$ from the Chaco (La Paz), 3000 m (Garlepp leg.) in the Coll. Stgr. in 
the Berlin Museum. 
P. gordiana Schs. (149 g) is much larger than luteovirens , wings shaped as in congalla, with darker gordiana. 
hindwings; forewing much more intensely and monotonously suffused with moss-green, which colour is pale 
yellowish olive in Schatjs’ type which we figure, the markings in general as in the preceding species, though 
less conspicuous on the dark ground. Colombia (Mt. Tolima, Quindiu Pass). 
P. agcistrum Dyar seems to be very closely allied to gordiana. Fore wing light purple, darker at the base, agcistrum. 
with 3 gi’een spots which are sub median, at the lower cell-end and below the distal third of the costal margin; 
with double dentate purple brown transverse lines and a faint crescent at the cell-end; the posterior transverse 
line is filled with white; the indistinct median shadow is curved at the cell-end, but not rectangularly broken; 
3 white dots are on the submedian vein in the median area; a few purple subterminal spots, a white spot below' 
the centre of the margin, and a white oblique subapical blotch. Hindwing brownish-grey, red-brown at the 
inner margin, fringe whitish. Expanse of wings: 45 mm. South-Eastern Peru. 
P. melita Drc. (149 g) has greenish-grey fore wings with a red-brown band from the centre of the inner melita. 
margin to the median vein, from where it extends forked like a Y to the costal margin; a sub marginal row of 
white, black-centred spots; fringe red-brown. Hindwing white. South-Eastern Peru. 
P. arthuri Schs. Forewing grey, reddish olive yellow at the base, submedianly, in the median area, arthuri. 
behind the lower cell-end, and at the anal angle; a black basal dot below the cell and a darker brownish-grey 
shadow behind it; transverse lines double, blackish-brown, the posterior one interrupted, broadly shaded 
blackish-brown behind it above the centre; the upper half of the margin is shaded dark grey. Hindwing 
brownish-grey with a double postmedian line filled with greenish at the costal margin. The $ is darker olive 
brown with a large white anal spot. Expanse of wings: 37 mm. Costa Rica. 
P. discolor Schs. Forewing yellowish-green, shaded dark grey in and below the cell in the median area, discolor. 
a similar shadow is in the upper subterminal half, and black dusting before the centre between the cell and the 
inner margin; a velvety black moon-spot at the cell-end, grey shading below it proximally; a double curved 
VI 121 
