Imosca megastigmata

1) OD : FBI, Moths of India, Vol 2 pg 518 #2548 as Borsippa megastigmata ;

2) Moths of Thailand, Vol 3 pt 2 pg 258 & Pl 35/22 & 23 ;

3) https://www.mothsofborneo.com/part-13/bagisarinae/bagisarinae_3_1.php ;

4) http://v3.boldsystems.org/index.php/Taxbrowser_Taxonpage?taxid=701519 ;

5) http://www.jpmoth.org/~dmoth/Digital_Moths_of_Asia/90_NOCTUOIDEA/05_NOCTUIDAE/02_BAGISARINAE/04_Imosca/Imosca%20megastigmata/Imosca%20megastigmata.htm ;

6) https://www.inaturalist.org/taxa/904553-Imosca-megastigmata ;

Check the discussion in this observation - https://www.inaturalist.org/observations/37513356 ;
Imosca sugii shown as separate species in Moths of Thailand, but synonymized by Holloway in Moths of Borneo. Has a much broader costal dark mark, FW post-medial is more posteriorly oblique & there is a larger subtornal spot. The synonymy with I. sugii may need further study.