Publ. 6. VI. 1933. 
GELASMA. By L. B. Prout. 
93 
C. subprocumbavia Oberth. (Suppl. 4, pi. 1 d) differs from procumbaria (Vol. 4, pi. 2 b) in the larger 
spots, the one at the apex of the hindwing more sharply cut by brown streaks along the veins. Siao-lou, 
Chinese Tibet. 
C. albipunctata Warr. is also similar to 'procumbaria (Vol. 4, pi. 2 b) but has a row of conspicuous white 
dorsal spots on the abdomen and a red line along the abdominal margin of the hindwing. Moreover, the centre 
of the spots on the wings is not white, but only a little paler than their circumference. Dawson district, Queens¬ 
land. Turner regards this as an aberration of mariae. 
C. mariae T. P. Luc. (= connata Warr.) (11c). Distinct from all the preceding by the extension 
and the shape of the tornal spot of the forpwing. In the both spots are filled-in with pale or whitish 
colouring, in the $ they are still larger and are nearly unicolorous throughout. Queensland. - syndyas Prout, 
from New Guinea, has the spots in both sexes coloured like those of mariae or even darker and more 
uniform, that of the forewing usually a little shorter, the celldot of the hindwing weak or obsolete. — ab. (?) 
aporia Prout has the spot of the forewing elongate (reaching the 2nd radial) and filled-in with lighter reddish. 
Founded on 4 d'd' from the Arfak Mountains, taken together with 4 typical of syndyas. 
C. biplaga Walk, is a rather rare species from Borneo and Sumatra, superficially similar to the <$ 
of mariae, but with the spot of the forewing smaller, structurally distinct in that the 1st subcostal of the 
forewing is stalked with the other subcostals. Possibly a form of the following, in which case it will provide 
the oldest name for the collective species. 
C. integranota Hrnpsn. (11 b). Structurally similar to biplaga, superficially much like mariae syndyas 
but with the spot of the hindwing longer, often filled-in with paler colouring, more as in ab. aporia. or mariae 
mariae. Described from Ceylon, but generally distributed in India. — ab. discussa ab. nov. lacks both the dark 
spots, thus closely resembling a small cassidara except in the venation. Not rare on Ceylon, with the type form. 
— attenuata Warr. is generally smaller and has on the forewing an additional subterminal spot in cellule 4; 
in the typical form this spot is narrowly connected with the tornal spot, but in — ab. isolata ab. nov. it is well 
separated, cellule 3 remaining wholly green, attenuata represents integranota in Borneo (loc. typ.) the Malay 
Peninsula, the Philippines and Java; single larger 9$ from S. Celebes and Adenara, similar to ab. isolata, 
perhaps represent other races but must await better material. — mulligruma Prout, founded on a 9 from the 
Hydrographer Mountains, British New Guinea, is also larger than attenuata, the markings larger, dark purple- 
grey, including additional small spots near base of forewing (behind the cell) and at anal angle of hindwing. 
C. nigromacularia Leech (= eurynomaria Ob.) (Vol. 4, pi. 3 b). In arranging the Hemitheinae of the 
Tring Museum 18 years ago, I discovered that this W. Chinese species was distinct, at least racially, from its 
Japanese representative delicatior Warr., the latter having a reddish apical spot of the hindwing, whereas 
in true nigromacularia it is purple-blackish. Subsequently Oberthur (Et. Lep. Comp. Vol. 12, pp. 107 -109) 
called attention to the distinction; and it is a curious commentary on his unbounded faith in figures as against 
descriptions, that he misidentified our “bonne figure”, while quite correctly interpreting the descriptions. The 
Palaearctic delicatior Warr. (= nigromacularia Ob. nec Leech) is shown at fig. 3273 of the cited volume of the 
“Etudes”. 
C. albimarginata Warr. (11c). This very beautiful species differs from nigromacularia in the larger 
spots of the hindwing, extended white wash of the forewing, more proximally placed postmedian line, extended 
cell-dot of hindwing, etc. Sikkim (type) and the Khasis. 
C. argentataria Leech (=? argentaria Ob.) (Vol. 4, pi. 2 b) is easy to recognize from our figure and 
description. To the geographical range given in Vol. 4 is to be added Formosa. Oberthur has figured a large 
form from Ta-tsien-lu. 
C. signifera Warr. (12 e). Agrees with argentataria in that the $ antenna is pectinate. Differs in the 
longer cell-mark of the hindwing and its narrow, nondentate border, also in the long white proximal prong 
from the border of the forewing. The unique type, from Momeit, Upper Burma, is not in perfect condition 
but appears to have little green on the forewing except in the central area. — subargentaria Ob., from Chinese 
Tibet, has the forewing predominantly green, as in argentataria, from which it differs in having the hindwing 
of signifera and a strong fuscous antemedian streak on the hindmargin of the forewing. 
subprocum- 
baria. 
albipunc¬ 
tata. 
■mariae. 
syndyas. 
aporia. 
biplaga. 
integranota. 
discussa. 
attenuata. 
isolata. 
multi- 
gruma. 
nigromacu¬ 
laria. 
albimargi¬ 
nata. 
argentata¬ 
ria. 
signifera. 
subargen¬ 
taria. 
59. Genus: Oelasina Warr. 
Palpus moderate or shortish, the terminal joint in the 9 occasionally (but rarely) elongate. Antenna 
in the <$ pectinate, with more or less long branches. Hindtibia of usually dilated, with hair-pencil. Abdomen 
not crestad. Forewing with 1st subcostal usually free; 1st median not stalked. Hindwing angled or tailed 
at 3rd radial, 2nd subcostal stalked, 1st median stalked. 
XII 
13 
