Appearance
The wingspan is 86–120 mm. It is a very fast flyer and is attracted to both sweet-smelling flowers and light. It differs from ''Daphnis nerii'' in having the head and collar uniformly dark purplish-brown. Thorax and 1st two abdominal segments are dark green in color with a white fringe to the 1st segment. Other abdominal segments are dark olive-green in color with the streaks and spots as in ''D. nerii''.Wings are similar to ''D. nerii'' but very much darker on both dorsal and ventral side. A white spot is present at the apex of fore wing and at the end of cell of fore wing o ventral side.
Larva is green in color with yellow dots at sides. There is a dark dorsal line, a subdorsal purple-red band, edged with yellow on thoracic somites and a blue ocellus on 3rd somite. Horn is purplish brown with white tubercles. Before changing to pupa, the larva becomes blotched with dark red in color.
Larvae have been recorded feeding on Rubiaceae species, including ''Cinchona'', ''Wendlandia'' and ''Uncaria'' species in India. Most instars are green with a brown backward curving tailhorn and a pair of white or red and yellow dorso-lateral stripes. Some instars have various coloured markings along the sides, including a blue eyespot on each side of the metathorax. The final instar is reddish brown.
Caterpillars can be found on ''Breonia'', ''Cinchona'', ''Ixora'', ''Pavetta'', ''Uncaria'', ''Wendlandia'' and ''Alstonia'' plants.
Naming
*''Daphnis hypothous hypothous''⤷ ''Daphnis hypothous crameri'' Eitschberger & Melichar, 2010 *Daphnis nerii
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