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Diagnostic description

  • Adults with 
  • black background colour
  •  darker velvety on upperside,
  • forewing with broad medial orange-bronzy-golden-green stripe 
  • sometimes bifurcated at costa.
  • Curved greenish band before apex, and sometimes a few bluish-green stripes. 
  • Before medial forewing band 4-5 thin orange or greeny-bronze stripes.
  • Underside forewing pattern similar but in light metallic blue-green. Hindwing long-tailed like a kite swallowtail butterfly, very narrow, with complex broad band which is blue-green in upper quarter, dark orange down to line of the tail, and then light blueish-grey with grey stripes towards abdominal margin.
  • Underside of hindwing greenish blue metallic (underside similar to Urania boisduvalii).
  • Males smaller and usually more orange on forewings than females.
  • Head relatively small as abdomen in relation to wings, antennae filiform, less than half forewing length.