Kailasha babensis Bae & Bayarsaikhan, sp. n.

(Figs. 3, 9, 14)

Type materials. Holotype: 1 male, Vietnam, Prov. Backan, NP. BaBe (N22˚20′–22˚30′, E105˚30′–105˚45′), 22.V.2007 (Y.S. Bae et al.), Gen. Slide No. KNAE (INU) - 1666. Paratypes: 1 male, 1 female, Vietnam, Prov. Backan, NP. BaBe (N22˚20′–22˚30′, E105˚30′–105˚45′), 22.V.2007 (Y.S. Bae et al.), Gen. Slide No. KNAE (INU) - 1664-1665.

Description. Adult (Figs. 3 a, b). Length of forewing 10 mm in male, 13 mm in female. Frons and vertex white; labial palpi upturned over vertex, brown-gray; antenna cilia, sordid white. Patagium and tegulae white, with pale red band. Legs pale brown mixed with white scales. Ground color of forewing dirty whitish yellow in male, white in female; subbasal and antemedial lines pale red, almost straight; medial line waved, with 3 pale red discocellular patches; hair fringe at costa in male; postmedian line pale red, waved; subterminal series of 3 spots red; terminal line pale red; fringe white-yellow. Hindwing pale yellow in male, white, slightly tinged with yellow in female; one fuscous orange-yellow discoidal spot; fringe whitish yellow. Abdomen slender, dark, covered with white scales.

Male genitalia (Fig. 9). Uncus slender, with small spine at top, almost same length with tegumen; valvae stout, triangular, apex rounded and membranous in lower half; costa of valva sclerotized, with angularly convex middle area; two short, sclerotized process towards apex on the harpe, upper one finger-shaped, 2 times shorter than saccular process, another one nipple-shaped, with small spine at top; saccular process stout, finger-shaped, almost 3 times shorter than uncus; juxta X-shaped; aedeagus short, bent, strongly sclerotized in distal end, with one large and one rather short apical spines; vesica with one group of short spines.

Female genitalia (Fig. 14). Apophyses posteriores about 3 times longer than apophyses anteriores, slender; apophyses anteriores stout; ductus bursae strongly sclerotized, short, stout; corpus bursae pyriform, with a large, coffee-bean shaped signum in center of posterior part and short, weakly sclerotized spines in middle part of bursae.

Diagnosis. This species is superficially similar to members of effracta group by general appearance, but it can be distinguished from the latter by the hindwing with a fuscous orange-yellow discoidal spot. The male genitalia are similar to those of K. pellucida Rothschild, but it can be distinguished from it by the stout, finger-shaped saccular process, which almost 3 times shorter than uncus; X-shaped juxta; aedeagus with one large and one short apical spines; vesica with one group of short spines. In K. pellucida, saccular process short, broadened, with roundly angled apex; juxta suptrapezoid; aedeagus with two short apical spines; vesica with one group of short spines and one group of long spines.

Distribution. Vietnam (NP. BaBe).

Etymology. The species is named from the type locality, BaBe National Park, Backan Province, Vietnam.

5 Kailasha angkorensis (Bayarsaikhan & Bae, 2016), comb. n. Cambodia

6 Kailasha babensis Bae & Bayarsaikhan, sp. n. Vietnam