Appearance
The wingspan is 60–72 mm. Not to be confused with ''Theretra oldenlandiae'' in being very much paler in color and with a white line down the center of the abdomen. The forewing has a silvery line beyond the oblique brown band. Other parts are ochreous. Larvae are exceedingly variable, from yellow green and green to brown or greyish black ones. But the commonly found color of larva is green with a reddish-brown dorsal area. There is a subdorsal paler line with equal-sized ocelli from 4th to 10th somites with green center. The horn is reddish brown as well.Naming
*''Theretra silhetensis silhetensis'' , Indonesia and Vietnam)⤷ ''Theretra silhetensis intersecta''
Habitat
Larvae have been recorded feeding on ''Colocasia antiquorum'' and ''Ludwigia'' species in southern China, ''Colocasia esculenta'' in Japan, ''Ludwigia repens'' and ''Boerhavia'' species in India and numerous other host plants from elsewhere, including ''Arum'', ''Caladium'', ''Pistia'', ''Kochia'', ''Ipomoea'', ''Boerhavia'', ''Ludwigia'', ''Rosa'' and ''Trapa'' species.References:
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