Microlithosia nanlingica Dubatolov, Kishida & Wang, 2012

Bayarsaikhan, Ulziijargal, Lee, Dong-June & Bae, Yang-Seop, 2018, Genus Microlithosia (Lepidoptera, Erebidae, Arctiinae) in Laos, with the description of a new species, Zootaxa 4420 (4), pp. 502-508 : 505

Microlithosia nanlingica Dubatolov, Kishida & Wang, 2012

( Figs. 3 , 6 )

Microlithosia shaowuica (part.): Fang, 2000, Fauna Sinica (Insecta) 19: 287–288, fig. 202 (male genitalia), pl. XIII, fig. 23. Microlithosia nanlingica Dubatolov, Kishida & Wang, 2012 , Tinea 22(1): 39. TL: China (Guangdong).

Redescription. Adult ( Fig. 3 ). Length of forewing 9˗10 mm in male. Head and thorax yellowish. Ground color of forewing dark yellowish, costal margin slightly convex medially, with clear a dark discal spot and a dark patch on costal margin, and a diffuse claviform spots, or absent this; cilia yellowish. Hindwing yellowish; cilia pale yellowish. Abdomen pale yellowish.

Male genitalia ( Fig. 6 ). Uncus slender, hook-shaped, with small spine at top, almost same length with tegumen; cucullus shark dorsal fin-shaped, apex rounded; distal saccular process tapering to apex, reaching apex of valvae, curved downwards apically, asymmetrical, each one with two sclerotized branches, these branches closer located to each other on right process; basal saccular process stout, finger-shaped, bears stout setea whole of length, left one twice longer than right process; juxta semicircular; aedeagus short, stout, a long process originated from the middle part of aedeagus; vesica without cornuti.

Female unknown.

Material examined. Laos: 1 ♂, Prov. Xieng Khouang, Ban Tha (N19˚44′50.20″, E103˚37′28.10″), 29.VI– 1.VII.2017 (Y.S. Bae, S.M. Na, D.J. Lee, J.H. Ko and T.K. Lee), Gen. Slide No. INU –1848L.

Distribution. Laos (new record), China.

Figures

FIGURES 1–3. Adults of genus Microlithosia spp. form Laos. 1. M. laosana sp. n., holotype, male, Laos. 2. M. umbripuncta, male, Laos. 3. M. nanlingica, male, Laos.

FIGURES 4–6. Male genitalia of genus Microlithosia spp. from Laos. 4. M. laosana sp. n., Laos (INU˗1846L, holotype). 5. M. umbripuncta, Laos (INU˗1827L). 6. M. nanlingica, Laos (INU˗1819L).