Prionodonta amethystina

MON Plate 11, #22
http://www.nhm.ac.uk/research-curation/research/projects/lepindex/search/detail.dsml?TaxonNo=243439.0&UserID=&UserName=&&listPageURL=list%2edsml%3fsort%3dSCIENTIFIC%255fNAME%255fon%255fcard%26SCIENTIFIC_NAME_on_cardqtype%3dstarts%2bwith%26SCIENTIFIC_NAME_on_card%3damethystina%26recLimit%3d30&searchPageURL=index%2edsml%3fSCIENTIFIC_NAME_on_cardqtype%3dstarts%2bwith%26sort%3dSCIENTIFIC%255fNAME%255fon%255fcard%26SCIENTIFIC_NAME_on_card%3damethystina%26recLimit%3d30
Hampson vol 3, pg 230 as Leptomiza amethystina. Description matches perfectly. No similar species.
http://v3.boldsystems.org/index.php/Taxbrowser_Taxonpage?taxid=398711
OD: Prionodonta amethystina Warren, W. 1893. On new genera and species of Moths of the family Geometridae from India, in the collection of H.J. Elwes. With notes by H.J. Elwes. Proceedings of the Zoological Society of London. Pg. 402. Text at https://www.biodiversitylibrary.org/page/30981451