296 
GONOSTYGIA. By Dr. M. Draudt. 
black spots below the base of the cell, at the lower cell-end and in the marginal area below the costal margin 
and above the anal angle. Hindwing brownish-grey. Jamaica. 
slrabonis. B. strabonis Dgn. is somewhat similar to floccifera, forewing white, except the costal-marginal portion 
feebly irrorated with green, with numerous black spots, two larger ones in the basal area, one at the costal 
margin and one at the hind-margin, 3 somewhat smaller ones in the centre, the middle spot forming the 
ring-macula; the reniform macula is oblong, of a pure white and surrounded with black, proximally below 
with a black dot, behind it a large black triangular spot at the costal margin with 4 small white costal- 
marginal hooks therein, with a somewhat violet tint, despatching an oblicjue patch towards the anal angle; 
fringe speckled black and white. Hindwing diaphanous white. Colombia (Bogota). 
roma. B. ronia Drc. (43 e) is a well-known very common species, on the forewing white, in the basal area 
black, also in the upper postmedian half, and a light brown anal-angular spot. Hindwing diaphanous white, 
at the apex brownish, in the $ more extensively. Mexico to Guatemala. 
forreri. 
marginaia. 
I icon. 
atriceps. 
poasici. 
viridimedia. 
picturata. 
B. forreri Drc. (43 e) is very similar to roma, but in the whole marginal area very broadly blackish- 
brown, defined by the black posterior transverse line which on the upper radial branch forms an acute angle 
distally, on the lower median branch a similar one proximad; the white fringe with 3 large black spots. Hindwing 
diaphanous white, at the apex brownish. From Mexico and Costa Rica. In specimens from Costa-Rica the 
rectangular bends of the post median line seem to be less deep = ab. 1 Hmps. 
B. marginata Schs. (43 e) looks very much like forreri on the forewing, but it is easily discernible by 
its quite blackish-brown hindwing; the forewing lacks the black spot of the apical fringe, the postmedian 
line extends from the costal margin to the lower median branch in a slight arcuate line, not angular on the 
uppermost radial branch. Expanse of wings: 22 mm. Costa Rica. 
B. bicon Drc. (= ranapa Schs.) (43 e) is a somewhat larger species easily discernible from roma by 
a more intense red-brown tinge and more intense deep red-brown marking; besides the hindwing is brownish, 
at the distal margin darker. Distributed from Mexico to Brazil, common. 
B. atriceps Hmps. (= oryx Drc. nec Fldr.) (43 e) looks very much like bicon but it is at once discernible 
from it by the quite black head with only a fine white longitudinal streak, which is white in the preceding species; 
the marginal area is more decidedly copper-red. Hindwing whitish, feebly brownish, in the marginal area 
darker. Guatemala. 
B» poasia Schs. (43 e) approximates atriceps and has likewise a black head, but the forewing is white 
without any red-brown tints, in the marginal area dingy white, irrorated with grey except the apex, and 
traversed by the white subterminal line; the base is black except the hind-margin, the ring-macula surrounded 
and centred with black, the large white reniform macula is crossed by a blackish median shadow, before the 
black postmedian line near the lower cell-end a black spot, behind it black irroration as far as the costal margin. 
Hindwing white, at the distal margin greyish-brown. Expanse of wings: 31 mm. Costa Rica. 
B. viridimedia Sm. (43 e). Marking not dissimilar to poasia, but in the ground-colour, particularly 
in the central area, green; the basal colour is a deep purple brown; the yellowish-green maculae are in white 
rings and finely surrounded with black, the reniform macula is 8-shaped, behind it a quadrangular black spot; 
the postmedian area is violettish-grey with a brown costal-marginal spot, the marginal area behind it bronze- 
brown. Hindwing whitish, at the margin brownish. Arizona. 
B. picturata Schs. (43 e) looks very much like viridimedia, but it is more slender and it has broader 
wings, with a double posterior transverse line, in front of it a broad olive-brown median shadow, with white 
maculae, only the reniform macula above with a slight yellow tint; a distinct blackish undulate line is present. 
Hindwing whitish with a broad brownish-grey marginal band and central spot. Described from Mexico. 
130. Genus: Goiiostygla Hmps. 
Separated from the preceding genus by more porrect palpi and a smooth frons only provided with 
a hair-tuft. Thorax clad as in the preceding genus, but in front and behind with loose tufts, the first abdominal 
rings also tufted, the largest tuft on the third ring. Only 3 small species the forewings of which are concavely 
excised at the distal margin above and below the centre. 
agona.r. G. agonax Drc. (43 f). Forewing brownish-black, slightly irrorated with grey, with brownish-white 
transverse lines and purely white small macidae; the white fringe in the centre, at the apex and anal angle 
with black spots. Hindwing black with a triangular white cellular spot. Mexico. 
cordax. G. cordax sp. n. (43 f) is somewhat larger than agonax, not so coarsely strewn, but smooth, of a lilac- 
brown ground-colour, the anterior double transverse band filled up with a yellowish green, the posterior line 
distally bordered with yellowish-green, the small ring-macula centred with yellowish-green; behind the broad 
median shadow the distal half of the median area is darker purple brown; the large triangular coniform macula 
is deep black; fringe red-brown. The white spot of the hindwing is larger. Mexico (Orizaba), type in the Coll. 
Dratjdt. 
