Promalactis bitrigona Kim& Park, 2012 Figures 2I, 7 A–C

Promalactis bitrigona Kim & Park, 2012: 900. Type locality: Vietnam.

Material examined.

One female, Laos, Xiang khaung Prov., Ban Tha, 1204 m, 30 June 2017, Bae et al, gen. slide no. 9847/ S Kim.

Diagnosis.

The species (Fig. 2I) is distinguished from congeners by the three suffusions on the antemedial, postmedial, and apical areas of posterior margin of forewing. The male genitalia are characterized in having the valva with dense hairs on the costal margin (Kim et al. 2012; Fig. 3 D–F), and by the female genitalia (Fig. 7 A–C), which is characterized in having the antrum with a thumb-shaped caudal margin and the signum somewhat triangular-pyramid-shaped.

Distribution.

Laos (northeast; new record), Vietnam (north).