Marumba indicus

1) OD : Smerinthus indicus, Walker - https://www.biodiversitylibrary.org/item/212439#page/576/mode/1up ;

2) Illustrations of typical specimens of Lepidoptera Heterocera in the collection of the British Musuem, Vol 5, pg 13, Pl LXXXI fig 2 as Triptogon indicum - https://www.biodiversitylibrary.org/item/114026#page/31/mode/1up, https://www.biodiversitylibrary.org/item/114026#page/99/mode/1up ;

3) FBI,MOI, Hampson, Vol 5 pg 189 #46 ;

4) http://en.sphingidae-museum.com/database/index.php?gen=Marumba&spec=indicus&subsp= ;

5) http://sphingidae.myspecies.info/taxonomy/term/1865 ;

6) http://v3.boldsystems.org/index.php/Taxbrowser_Taxonpage?taxid=101175 ;

7) http://insecta.pro/gallery/61990 ;

8) https://indiabiodiversity.org/species/show/268489 ;

The degree of convergence of the two medial lines seems to vary, some images show them meeting at the inner margin as in this observation, however the central angulation in the more distal line is common to all of the images. The red on the hindwing is partially visible in this image.