Giant-swallowtail

Guides

• Papilio rumiko

  western giant swallowtail

  Papilio rumiko, the western giant swallowtail, is a large swallowtail butterfly species recognized in 2014 based on DNA evidence, having been previously confused with Papilio cresphontes. It ranges from the southwestern United States through Mexico and Central America to Panama. The species exhibits classic giant swallowtail morphology with distinctive yellow banding patterns and maroon eyespots on the hindwings.

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