Thubana seimaensis is a moth in the Lecithoceridae family. It was described by Park in 2013. It is found in Cambodia.
The wingspan is 15.5-16 mm. The forewings are uniform pale greyish fuscous throughout, with a dark-brown basal fascia. There is a pair of stigmata presented: the smaller one at the middle and the larger blackish one at the end of the cell.
Thubana seimaensis Wikipedia
The species name is derived from the type locality, Seima in Cambodia.