96 
GELASMA. By L. B. Prout. 
water sf radii. 
insulsata. 
chromato- 
crossa. 
albistrigata. 
stuhlmanni. 
habra. 
liemitheoi- 
dcs. 
marculenta. 
melancho- 
t lea. 
griseoviri¬ 
dis. 
dysgenes. 
glaucaria. 
fuscifim- 
bria. 
convallata. 
(elongate, but vaguely pale-centred), lines crenulate, indicated in darker green, edged with white; terminal line 
blackish, very slender, interrupted; fringe pale green, with small dark dots. N. Celebes. Hindtibia of strongly 
dilated, with the spurs very short. 
G. waterstradti sp. n. (12 f) has about the size and a good deal the aspect of subannulata; pectinations 
not quite so long, the inner series considerably shorter than the outer; wings rather longer and narrower, of not 
quite so pale a green, cell-marks narrower; face, as in subannulata, dull red-brown (in the acutissima group 
generally blackish). N. Borneo: Mt. Kinabalu (J. Waterstradt), type in coll. Brit. Mus. The hindlegs are 
lost, but a spinose area on sternite 3 (as in the allies) shows that the tibia must be dilated. 
G. hisulsata Warr. (11 g) is a very distinct species. Hindwing less elongate than in the Thalerura group, 
the tail moderate, slight supplementary teeth developed at the ends of the other veins. Rather large (about 
46 mm); yellowish green with copious darker irroration; cell-dots blackish; pale edging of the lines indis¬ 
tinct. Luzon. 
G. chromatocrossa Prout. (12 f), 31 32 mm. Wings moderately broad, tail of hindwing moderate. Cell- 
dots dark green, less small than in the allies; best distinguished by having the costal edge of the fore wing nar¬ 
rowly red and the fringes pinkish; an interrupted terminal line. Tipper Burma. 
G. albistrigata Warr. ( — flagellaria Pouj.) (Vol. 4, pi. 3 a, as flagellata) is often almost as large as insulsata, 
rounder-winged, postmedian of forewing excurved and less oblique, cell-marks elongate, weak. Described 
from Japan, but reaches West China. More opaque and greener than glaucaria. 
G. stuhlmanni sp. n. 22 mm. Face dark olive. Palpus blackish olive, whitish beneath. Antenna rather 
short, pectinations long, continued to %. Hindtibia not dilated. Eorewing with apex moderate, termen smooth, 
rather strongly curved; 1st subcostal anastomosing rather strongly with costal and 2nd subcostal; glossy greyish 
olive; markings white; cell-dot small; lines punctiform except at hindmargin, anteriorly almost obsolete; ante- 
median anteriorly oblique; postmedian bent inward between 2nd median and 2nd submedian. Hindwing with 
angle at 3rd radial rather weak; as forewing, but wanting 1st line. Underside rather paler, unmarked. Fiji 
(C. A. Sttjhlmann), type in Zool. Mns. Hamburg. 
G. habra sp. n. (12 f). Near hemitheoides, rather more slenderly built, hindwing not quite so narrow. 
Face and outerside of palpus blackish. Hindtibia with rather strong pencil. Forewing with 1st subcostal ana¬ 
stomosing with costal; less greyish green, than hemitheoides, lines more slender, postmedian not thickened at 
fold, terminal white dots scarcely indicated. Szechuan: Kwanhsien, 11 July 1930 (M. Franck), type in 
coll. Prout. 
G. hemitheoides Prout (11 g) is characterized by its rather strong, lunulate-dentate white lines and its 
white terminal dots at the vein-ends and superficially resembles a Hemithea or a well-coloured lodis. Khasis 
and Sikkim. marculenta subsp. nov. is of a more greyish olive (more approaching the colour of griseoviridis), 
the postmedian rather thicker, the fringes beneath less strongly darkened. N. Borneo: Mt. Kinabalu (J. Water - 
stradt), type S' in coll. Brit. Mus. 
G. melancholica Prout. Smaller and relatively broader winged than hemitheoides, the hindwing right- 
angled rather than tailed at the 3rd radial, the colouring much darker, the hindwing beneath sometimes with 
a faint brown apical suffusion. Borneo (loc. typ.), Sumatra, Perak and Singapore. 
G. griseoviridis Warr. is intermediate in shape between the two preceding, greyer, the lines very fine 
and only slightly dentate, the post median not thickening posteriorly, the white terminal dots obsolete, ex¬ 
cepting sometimes a minute one in the tail of the hindwing. Nagas and Khasis. 
G. dysgenes Prout (12 f). Near the two following, but with more pronounced tail to the hindwing and 
very different in colour. Vrianatong, Tibet, several <J(J, not at all variable. 
G. glaucaria Walk. (Vol. 4, pi. 2 c) is distinguished by its pale colour (grey-green,with smal but copious 
white strigulae) and its relatively broad wings, the tail of the hindwing short. Palpus in both sexes short, with 
the 3rd joint in both sexes quite small. N. India (Sikkim and Bhutan) and Tibet. Sterneck has recently re¬ 
corded it from Szechuan. 
G. fuscifimbria Prout. Very near the preceding but rather larger; darker, the white strigulation 
reduced to slight irroration, the face blacker (in glaucaria more reddish), the fringes strongly darkened in proxi¬ 
mal part; postmedian line more incurved at fold. Khasis, where it apparently replaces glaucaria-, also in Upper 
Burma. 
G. convallata Warr. (11 g) can scarcely be retained in this genus. Palpus still shorter than in glaucaria, 
hindwing scarcely angled at 3rd radial, hindtibia of with only one of the proximal spurs well developed. The 
straight postmedian line is also distinctive. The smooth scaling and the open cell-mark of the forewing recall 
subannulata. Khasis. 
