Correction The correct spelling is Dierna strigata.
http://www.alliedacademies.org/artic...epidoptera.pdf
Taiwan has only one species & that is sometimes called Dierna duplicata . Sugi 1992.
Note pdf above article is dated 2014 & considered the Taiwanese form as D. strigata.
Some Taiwan authorities also called it strigata..
http://catalog.digitalarchives.tw/item/00/43/14/bf.html
HK. Dierna patibulum.
http://static.inaturalist.org/photos...jpg?1444736574
The other species is Dierna acanthusalis.
https://c1.staticflickr.com/5/4002/5...86808065_z.jpg
Dierna timandra is assigned a new genus by Sugi.
http://www.jpmoth.org/~dmoth/80_Noct...20timandra.htm
A 4th similar species seem to be present. Thaibugs has a pic.
The FW has a white discal spot & two black postmedial spots. Probably a female strigata.
http://www.thaibugs.com/wp-content/g...0disjugens.jpg
TL Seow :Cheers.