page_title: Troides helena
section_title: Subspecies
hierarchical_section_title: Troides helena / Subspecies
caption_attribution_description: English: Common Birdwing ( সোনাল), Kolkata, West Bengal, India
context_page_description: Troides helena, the common birdwing, is a butterfly belonging to the family Papilionidae. It is often found in the wildlife trade due to its popularity with butterfly collectors. The butterfly has seventeen subspecies.
context_section_description: T. h. antileuca Rothschild, 1908
  T. h. bunguranensis Ohya, 1982
  T. h. cerberus (C. & R. Felder, 1865)
  T. h. demeter Rumbucher & Schäffler, 2005
  T. h. dempoensis Deslisle, 1993
  T. h. euthycrates Fruhstorfer, 1913
  T. h. ferrari Tytler, 1926
  T. h. hahneli Rumbucher & Schäffler, 2005
  T. h. heliconoides (Moore, 1877)
  T. h. hephaestus (Felder, 1865)
  T. h. hermes Hayami, 1991
  T. h. hypnos Rumbucher & Schäffler, 2005
  T. h. isara Rothschild, 1908
  T. h. mopa Rothschild, 1908
  T. h. mosychlus Fruhstorfer, 1913
  T. h. neoris Rothschild, 1908
  T. h. nereides Fruhstorfer, 1906
  T. h. nereis (Doherty, 1891)
  T. h. orientis Parrott, 1991
  T. h. propinquus Rothschild, 1895
  T. h. rayae Deslisle, 1991
  T. h. sagittatus Fruhstorfer, 1896
  T. h. spilotia Rothschild, 1908
  T. h. sugimotoi Hanafusa, 1992
  T. h. typhaon Rothschild, 1908
  T. h. venus Hayami, 1991
caption: Common birdwing (সোনাল), Kolkata, West Bengal, India
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