Rhagastis trilineata
Diagnostic description:
Similar to Rhagastis mongoliana but immediately distinguishable by the almost uniform (not distinctly chequered) forewing fringes and the small black discal spot on the hindwing underside. Labial palp segment 2 longer than broad, not narrowed to base. Metanotum with a conspicuous tawny patch at each side. Hindwing underside with a small black discal spot.